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tibia-rme/source/graphics.cpp

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//////////////////////////////////////////////////////////////////////
// This file is part of Remere's Map Editor
//////////////////////////////////////////////////////////////////////
// Remere's Map Editor is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Remere's Map Editor is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//////////////////////////////////////////////////////////////////////
#include "main.h"
#include "sprites.h"
#include "graphics.h"
#include "filehandle.h"
#include "settings.h"
#include "gui.h"
#include "otml.h"
#include <wx/mstream.h>
#include <wx/stopwatch.h>
#include <wx/dir.h>
#include "pngfiles.h"
// All 133 template colors
static uint32_t TemplateOutfitLookupTable[] = {
0xFFFFFF, 0xFFD4BF, 0xFFE9BF, 0xFFFFBF, 0xE9FFBF, 0xD4FFBF,
0xBFFFBF, 0xBFFFD4, 0xBFFFE9, 0xBFFFFF, 0xBFE9FF, 0xBFD4FF,
0xBFBFFF, 0xD4BFFF, 0xE9BFFF, 0xFFBFFF, 0xFFBFE9, 0xFFBFD4,
0xFFBFBF, 0xDADADA, 0xBF9F8F, 0xBFAF8F, 0xBFBF8F, 0xAFBF8F,
0x9FBF8F, 0x8FBF8F, 0x8FBF9F, 0x8FBFAF, 0x8FBFBF, 0x8FAFBF,
0x8F9FBF, 0x8F8FBF, 0x9F8FBF, 0xAF8FBF, 0xBF8FBF, 0xBF8FAF,
0xBF8F9F, 0xBF8F8F, 0xB6B6B6, 0xBF7F5F, 0xBFAF8F, 0xBFBF5F,
0x9FBF5F, 0x7FBF5F, 0x5FBF5F, 0x5FBF7F, 0x5FBF9F, 0x5FBFBF,
0x5F9FBF, 0x5F7FBF, 0x5F5FBF, 0x7F5FBF, 0x9F5FBF, 0xBF5FBF,
0xBF5F9F, 0xBF5F7F, 0xBF5F5F, 0x919191, 0xBF6A3F, 0xBF943F,
0xBFBF3F, 0x94BF3F, 0x6ABF3F, 0x3FBF3F, 0x3FBF6A, 0x3FBF94,
0x3FBFBF, 0x3F94BF, 0x3F6ABF, 0x3F3FBF, 0x6A3FBF, 0x943FBF,
0xBF3FBF, 0xBF3F94, 0xBF3F6A, 0xBF3F3F, 0x6D6D6D, 0xFF5500,
0xFFAA00, 0xFFFF00, 0xAAFF00, 0x54FF00, 0x00FF00, 0x00FF54,
0x00FFAA, 0x00FFFF, 0x00A9FF, 0x0055FF, 0x0000FF, 0x5500FF,
0xA900FF, 0xFE00FF, 0xFF00AA, 0xFF0055, 0xFF0000, 0x484848,
0xBF3F00, 0xBF7F00, 0xBFBF00, 0x7FBF00, 0x3FBF00, 0x00BF00,
0x00BF3F, 0x00BF7F, 0x00BFBF, 0x007FBF, 0x003FBF, 0x0000BF,
0x3F00BF, 0x7F00BF, 0xBF00BF, 0xBF007F, 0xBF003F, 0xBF0000,
0x242424, 0x7F2A00, 0x7F5500, 0x7F7F00, 0x557F00, 0x2A7F00,
0x007F00, 0x007F2A, 0x007F55, 0x007F7F, 0x00547F, 0x002A7F,
0x00007F, 0x2A007F, 0x54007F, 0x7F007F, 0x7F0055, 0x7F002A,
0x7F0000,
};
GraphicManager::GraphicManager() :
client_version(nullptr),
unloaded(true),
dat_format(DAT_FORMAT_UNKNOWN),
otfi_found(false),
is_extended(false),
has_transparency(false),
has_frame_durations(false),
has_frame_groups(false),
loaded_textures(0),
lastclean(0)
{
animation_timer = newd wxStopWatch();
animation_timer->Start();
}
GraphicManager::~GraphicManager()
{
for(SpriteMap::iterator iter = sprite_space.begin(); iter != sprite_space.end(); ++iter) {
delete iter->second;
}
for(ImageMap::iterator iter = image_space.begin(); iter != image_space.end(); ++iter) {
delete iter->second;
}
delete animation_timer;
}
bool GraphicManager::hasTransparency() const
{
return has_transparency;
}
bool GraphicManager::isUnloaded() const
{
return unloaded;
}
GLuint GraphicManager::getFreeTextureID()
{
static GLuint id_counter = 0x10000000;
return id_counter++; // This should (hopefully) never run out
}
void GraphicManager::clear()
{
SpriteMap new_sprite_space;
for(SpriteMap::iterator iter = sprite_space.begin(); iter != sprite_space.end(); ++iter) {
if(iter->first >= 0) { // Don't clean internal sprites
delete iter->second;
} else {
new_sprite_space.insert(std::make_pair(iter->first, iter->second));
}
}
for(ImageMap::iterator iter = image_space.begin(); iter != image_space.end(); ++iter) {
delete iter->second;
}
sprite_space.swap(new_sprite_space);
image_space.clear();
cleanup_list.clear();
item_count = 0;
creature_count = 0;
loaded_textures = 0;
lastclean = time(nullptr);
spritefile = "";
unloaded = true;
}
void GraphicManager::cleanSoftwareSprites()
{
for(SpriteMap::iterator iter = sprite_space.begin(); iter != sprite_space.end(); ++iter) {
if(iter->first >= 0) { // Don't clean internal sprites
iter->second->unloadDC();
}
}
}
Sprite* GraphicManager::getSprite(int id)
{
SpriteMap::iterator it = sprite_space.find(id);
if(it != sprite_space.end()) {
return it->second;
}
return nullptr;
}
GameSprite* GraphicManager::getCreatureSprite(int id)
{
if(id < 0) {
return nullptr;
}
SpriteMap::iterator it = sprite_space.find(id+item_count);
if(it != sprite_space.end()) {
return static_cast<GameSprite*>(it->second);
}
return nullptr;
}
uint16_t GraphicManager::getItemSpriteMaxID() const
{
return item_count;
}
uint16_t GraphicManager::getCreatureSpriteMaxID() const
{
return creature_count;
}
#define loadPNGFile(name) _wxGetBitmapFromMemory(name, sizeof(name))
inline wxBitmap* _wxGetBitmapFromMemory(const unsigned char* data, int length)
{
wxMemoryInputStream is(data, length);
wxImage img(is, "image/png");
if(!img.IsOk()) return nullptr;
return newd wxBitmap(img, -1);
}
bool GraphicManager::loadEditorSprites()
{
// Unused graphics MIGHT be loaded here, but it's a neglectable loss
sprite_space[EDITOR_SPRITE_SELECTION_MARKER] =
newd EditorSprite(
newd wxBitmap(selection_marker_xpm16x16),
newd wxBitmap(selection_marker_xpm32x32)
);
sprite_space[EDITOR_SPRITE_BRUSH_CD_1x1] =
newd EditorSprite(
loadPNGFile(circular_1_small_png),
loadPNGFile(circular_1_png)
);
sprite_space[EDITOR_SPRITE_BRUSH_CD_3x3] =
newd EditorSprite(
loadPNGFile(circular_2_small_png),
loadPNGFile(circular_2_png)
);
sprite_space[EDITOR_SPRITE_BRUSH_CD_5x5] =
newd EditorSprite(
loadPNGFile(circular_3_small_png),
loadPNGFile(circular_3_png)
);
sprite_space[EDITOR_SPRITE_BRUSH_CD_7x7] =
newd EditorSprite(
loadPNGFile(circular_4_small_png),
loadPNGFile(circular_4_png)
);
sprite_space[EDITOR_SPRITE_BRUSH_CD_9x9] =
newd EditorSprite(
loadPNGFile(circular_5_small_png),
loadPNGFile(circular_5_png)
);
sprite_space[EDITOR_SPRITE_BRUSH_CD_15x15] =
newd EditorSprite(
loadPNGFile(circular_6_small_png),
loadPNGFile(circular_6_png)
);
sprite_space[EDITOR_SPRITE_BRUSH_CD_19x19] =
newd EditorSprite(
loadPNGFile(circular_7_small_png),
loadPNGFile(circular_7_png)
);
sprite_space[EDITOR_SPRITE_BRUSH_SD_1x1] =
newd EditorSprite(
loadPNGFile(rectangular_1_small_png),
loadPNGFile(rectangular_1_png)
);
sprite_space[EDITOR_SPRITE_BRUSH_SD_3x3] =
newd EditorSprite(
loadPNGFile(rectangular_2_small_png),
loadPNGFile(rectangular_2_png)
);
sprite_space[EDITOR_SPRITE_BRUSH_SD_5x5] =
newd EditorSprite(
loadPNGFile(rectangular_3_small_png),
loadPNGFile(rectangular_3_png)
);
sprite_space[EDITOR_SPRITE_BRUSH_SD_7x7] =
newd EditorSprite(
loadPNGFile(rectangular_4_small_png),
loadPNGFile(rectangular_4_png)
);
sprite_space[EDITOR_SPRITE_BRUSH_SD_9x9] =
newd EditorSprite(
loadPNGFile(rectangular_5_small_png),
loadPNGFile(rectangular_5_png)
);
sprite_space[EDITOR_SPRITE_BRUSH_SD_15x15] =
newd EditorSprite(
loadPNGFile(rectangular_6_small_png),
loadPNGFile(rectangular_6_png)
);
sprite_space[EDITOR_SPRITE_BRUSH_SD_19x19] =
newd EditorSprite(
loadPNGFile(rectangular_7_small_png),
loadPNGFile(rectangular_7_png)
);
sprite_space[EDITOR_SPRITE_OPTIONAL_BORDER_TOOL] =
newd EditorSprite(
loadPNGFile(optional_border_small_png),
loadPNGFile(optional_border_png)
);
sprite_space[EDITOR_SPRITE_ERASER] =
newd EditorSprite(
loadPNGFile(eraser_small_png),
loadPNGFile(eraser_png)
);
sprite_space[EDITOR_SPRITE_PZ_TOOL] =
newd EditorSprite(
loadPNGFile(protection_zone_small_png),
loadPNGFile(protection_zone_png)
);
sprite_space[EDITOR_SPRITE_PVPZ_TOOL] =
newd EditorSprite(
loadPNGFile(pvp_zone_small_png),
loadPNGFile(pvp_zone_png)
);
sprite_space[EDITOR_SPRITE_NOLOG_TOOL] =
newd EditorSprite(
loadPNGFile(no_logout_small_png),
loadPNGFile(no_logout_png)
);
sprite_space[EDITOR_SPRITE_NOPVP_TOOL] =
newd EditorSprite(
loadPNGFile(no_pvp_small_png),
loadPNGFile(no_pvp_png)
);
sprite_space[EDITOR_SPRITE_DOOR_NORMAL] =
newd EditorSprite(
loadPNGFile(door_normal_small_png),
loadPNGFile(door_normal_png)
);
sprite_space[EDITOR_SPRITE_DOOR_LOCKED] =
newd EditorSprite(
loadPNGFile(door_locked_small_png),
loadPNGFile(door_locked_png)
);
sprite_space[EDITOR_SPRITE_DOOR_MAGIC] =
newd EditorSprite(
loadPNGFile(door_magic_small_png),
loadPNGFile(door_magic_png)
);
sprite_space[EDITOR_SPRITE_DOOR_QUEST] =
newd EditorSprite(
loadPNGFile(door_quest_small_png),
loadPNGFile(door_quest_png)
);
sprite_space[EDITOR_SPRITE_WINDOW_NORMAL] =
newd EditorSprite(
loadPNGFile(window_normal_small_png),
loadPNGFile(window_normal_png)
);
sprite_space[EDITOR_SPRITE_WINDOW_HATCH] =
newd EditorSprite(
loadPNGFile(window_hatch_small_png),
loadPNGFile(window_hatch_png)
);
sprite_space[EDITOR_SPRITE_SELECTION_GEM] =
newd EditorSprite(
loadPNGFile(gem_edit_png),
nullptr
);
sprite_space[EDITOR_SPRITE_DRAWING_GEM] =
newd EditorSprite(
loadPNGFile(gem_move_png),
nullptr
);
return true;
}
bool GraphicManager::loadOTFI(const FileName& filename, wxString& error, wxArrayString& warnings)
{
wxDir dir(filename.GetFullPath());
wxString otfi_file;
otfi_found = false;
if(dir.GetFirst(&otfi_file, "*.otfi", wxDIR_FILES)) {
wxFileName otfi(filename.GetFullPath(), otfi_file);
OTMLDocumentPtr doc = OTMLDocument::parse(otfi.GetFullPath().ToStdString());
if(doc->size() == 0 || !doc->hasChildAt("DatSpr")) {
error += "'DatSpr' tag not found";
return false;
}
OTMLNodePtr node = doc->get("DatSpr");
is_extended = node->valueAt<bool>("extended");
has_transparency = node->valueAt<bool>("transparency");
has_frame_durations = node->valueAt<bool>("frame-durations");
has_frame_groups = node->valueAt<bool>("frame-groups");
std::string metadata = node->valueAt<std::string>("metadata-file", std::string(ASSETS_NAME) + ".dat");
std::string sprites = node->valueAt<std::string>("sprites-file", std::string(ASSETS_NAME) + ".spr");
metadata_file = wxFileName(filename.GetFullPath(), wxString(metadata));
sprites_file = wxFileName(filename.GetFullPath(), wxString(sprites));
otfi_found = true;
}
if(!otfi_found) {
is_extended = false;
has_transparency = false;
has_frame_durations = false;
has_frame_groups = false;
metadata_file = wxFileName(filename.GetFullPath(), wxString(ASSETS_NAME) + ".dat");
sprites_file = wxFileName(filename.GetFullPath(), wxString(ASSETS_NAME) + ".spr");
}
return true;
}
bool GraphicManager::loadSpriteMetadata(const FileName& datafile, wxString& error, wxArrayString& warnings)
{
// items.otb has most of the info we need. This only loads the GameSprite metadata
FileReadHandle file(nstr(datafile.GetFullPath()));
if(!file.isOk()) {
error += "Failed to open " + datafile.GetFullPath() + " for reading\nThe error reported was:" + wxstr(file.getErrorMessage());
return false;
}
uint16_t effect_count, distance_count;
uint32_t datSignature;
file.getU32(datSignature);
//get max id
file.getU16(item_count);
file.getU16(creature_count);
file.getU16(effect_count);
file.getU16(distance_count);
uint32_t minID = 100; // items start with id 100
// We don't load distance/effects, if we would, just add effect_count & distance_count here
uint32_t maxID = item_count + creature_count;
dat_format = client_version->getDatFormatForSignature(datSignature);
if(dat_format == DAT_FORMAT_UNKNOWN) {
error += "Failed to open " + datafile.GetFullPath() + " for reading\nCould not locate datSignature (0x" << wxString::Format(wxT("%02x"), datSignature) << ") compatible with client version " << client_version->getName();
return false;
}
if(!otfi_found) {
is_extended = dat_format >= DAT_FORMAT_96;
has_frame_durations = dat_format >= DAT_FORMAT_1050;
has_frame_groups = dat_format >= DAT_FORMAT_1057;
}
uint16_t id = minID;
// loop through all ItemDatabase until we reach the end of file
while(id <= maxID) {
GameSprite* sType = newd GameSprite();
sprite_space[id] = sType;
sType->id = id;
// Load the sprite flags
if(!loadSpriteMetadataFlags(file, sType, error, warnings)) {
wxString msg;
msg << "Failed to load flags for sprite " << sType->id;
warnings.push_back(msg);
}
// Reads the group count
uint8_t group_count = 1;
if(has_frame_groups && id > item_count) {
file.getU8(group_count);
}
for(uint32_t k = 0; k < group_count; ++k) {
// Skipping the group type
if(has_frame_groups && id > item_count) {
file.skip(1);
}
// Size and GameSprite data
file.getByte(sType->width);
file.getByte(sType->height);
// Skipping the exact size
if((sType->width > 1) || (sType->height > 1)){
file.skip(1);
}
file.getU8(sType->layers); // Number of blendframes (some sprites consist of several merged sprites)
file.getU8(sType->pattern_x);
file.getU8(sType->pattern_y);
if(dat_format <= DAT_FORMAT_74)
sType->pattern_z = 1;
else
file.getU8(sType->pattern_z);
file.getU8(sType->frames); // Length of animation
if(sType->frames > 1) {
uint8_t async = 0;
int loop_count = 0;
int8_t start_frame = 0;
if(has_frame_durations) {
file.getByte(async);
file.get32(loop_count);
file.getSByte(start_frame);
}
sType->animator = newd Animator(sType->frames, start_frame, loop_count, async == 1);
if(has_frame_durations) {
for(int i = 0; i < sType->frames; i++) {
uint32_t min;
uint32_t max;
file.getU32(min);
file.getU32(max);
FrameDuration* frame_duration = sType->animator->getFrameDuration(i);
frame_duration->setValues(int(min), int(max));
}
sType->animator->reset();
}
}
sType->numsprites =
(int)sType->width * (int)sType->height *
(int)sType->layers *
(int)sType->pattern_x * (int)sType->pattern_y * sType->pattern_z *
(int)sType->frames;
// Read the sprite ids
for(uint32_t i = 0; i < sType->numsprites; ++i) {
uint32_t sprite_id;
if(is_extended) {
file.getU32(sprite_id);
} else {
uint16_t u16 = 0;
file.getU16(u16);
sprite_id = u16;
}
if(image_space[sprite_id] == nullptr) {
GameSprite::NormalImage* img = newd GameSprite::NormalImage();
img->id = sprite_id;
image_space[sprite_id] = img;
}
sType->spriteList.push_back(static_cast<GameSprite::NormalImage*>(image_space[sprite_id]));
}
}
++id;
}
return true;
}
bool GraphicManager::loadSpriteMetadataFlags(FileReadHandle& file, GameSprite* sType, wxString& error, wxArrayString& warnings)
{
uint8_t prev_flag = 0;
uint8_t flag = DatFlagLast;
for(int i = 0; i < DatFlagLast; ++i) {
prev_flag = flag;
file.getU8(flag);
if(flag == DatFlagLast) {
return true;
}
if(dat_format >= DAT_FORMAT_1010) {
/* In 10.10+ all attributes from 16 and up were
* incremented by 1 to make space for 16 as
* "No Movement Animation" flag.
*/
if(flag == 16)
flag = DatFlagNoMoveAnimation;
else if(flag > 16)
flag -= 1;
} else if(dat_format >= DAT_FORMAT_86) {
/* Default attribute values follow
* the format of 8.6-9.86.
* Therefore no changes here.
*/
} else if(dat_format >= DAT_FORMAT_78) {
/* In 7.80-8.54 all attributes from 8 and higher were
* incremented by 1 to make space for 8 as
* "Item Charges" flag.
*/
if(flag == 8) {
flag = DatFlagChargeable;
} else if(flag > 8)
flag -= 1;
} else if(dat_format >= DAT_FORMAT_755) {
/* In 7.55-7.72 attributes 23 is "Floor Change". */
if(flag == 23)
flag = DatFlagFloorChange;
} else if(dat_format >= DAT_FORMAT_74) {
/* In 7.4-7.5 attribute "Ground Border" did not exist
* attributes 1-15 have to be adjusted.
* Several other changes in the format.
*/
if(flag > 0 && flag <= 15)
flag += 1;
else if(flag == 16)
flag = DatFlagLight;
else if(flag == 17)
flag = DatFlagFloorChange;
else if(flag == 18)
flag = DatFlagFullGround;
else if(flag == 19)
flag = DatFlagElevation;
else if(flag == 20)
flag = DatFlagDisplacement;
else if(flag == 22)
flag = DatFlagMinimapColor;
else if(flag == 23)
flag = DatFlagRotateable;
else if(flag == 24)
flag = DatFlagLyingCorpse;
else if(flag == 25)
flag = DatFlagHangable;
else if(flag == 26)
flag = DatFlagHookSouth;
else if(flag == 27)
flag = DatFlagHookEast;
else if(flag == 28)
flag = DatFlagAnimateAlways;
/* "Multi Use" and "Force Use" are swapped */
if(flag == DatFlagMultiUse)
flag = DatFlagForceUse;
else if(flag == DatFlagForceUse)
flag = DatFlagMultiUse;
}
switch (flag) {
case DatFlagGroundBorder:
case DatFlagOnBottom:
case DatFlagOnTop:
case DatFlagContainer:
case DatFlagStackable:
case DatFlagForceUse:
case DatFlagMultiUse:
case DatFlagFluidContainer:
case DatFlagSplash:
case DatFlagNotWalkable:
case DatFlagNotMoveable:
case DatFlagBlockProjectile:
case DatFlagNotPathable:
case DatFlagPickupable:
case DatFlagHangable:
case DatFlagHookSouth:
case DatFlagHookEast:
case DatFlagRotateable:
case DatFlagDontHide:
case DatFlagTranslucent:
case DatFlagLyingCorpse:
case DatFlagAnimateAlways:
case DatFlagFullGround:
case DatFlagLook:
case DatFlagWrappable:
case DatFlagUnwrappable:
case DatFlagTopEffect:
case DatFlagFloorChange:
case DatFlagNoMoveAnimation:
case DatFlagChargeable:
break;
case DatFlagGround:
case DatFlagWritable:
case DatFlagWritableOnce:
case DatFlagCloth:
case DatFlagLensHelp:
case DatFlagUsable:
file.skip(2);
break;
case DatFlagLight:
file.skip(4);
break;
case DatFlagDisplacement: {
if(dat_format >= DAT_FORMAT_755) {
uint16_t offset_x;
uint16_t offset_y;
file.getU16(offset_x);
file.getU16(offset_y);
sType->drawoffset_x = offset_x;
sType->drawoffset_y = offset_y;
} else {
sType->drawoffset_x = 8;
sType->drawoffset_y = 8;
}
break;
}
case DatFlagElevation: {
uint16_t draw_height;
file.getU16(draw_height);
sType->draw_height = draw_height;
break;
}
case DatFlagMinimapColor: {
uint16_t minimap_color;
file.getU16(minimap_color);
sType->minimap_color = minimap_color;
break;
}
case DatFlagMarket: {
file.skip(6);
std::string marketName;
file.getString(marketName);
file.skip(4);
break;
}
default: {
wxString err;
err << "Metadata: Unknown flag: " << i2ws(flag) << ". Previous flag: " << i2ws(prev_flag) << ".";
warnings.push_back(err);
break;
}
}
}
return true;
}
bool GraphicManager::loadSpriteData(const FileName& datafile, wxString& error, wxArrayString& warnings)
{
FileReadHandle fh(nstr(datafile.GetFullPath()));
if(!fh.isOk()) {
error = "Failed to open file for reading";
return false;
}
#define safe_get(func, ...) do {\
if(!fh.get##func(__VA_ARGS__)) {\
error = wxstr(fh.getErrorMessage()); \
return false; \
} \
} while(false)
uint32_t sprSignature;
safe_get(U32, sprSignature);
uint32_t total_pics = 0;
if(is_extended) {
safe_get(U32, total_pics);
} else {
uint16_t u16 = 0;
safe_get(U16, u16);
total_pics = u16;
}
if(!g_settings.getInteger(Config::USE_MEMCACHED_SPRITES)) {
spritefile = nstr(datafile.GetFullPath());
unloaded = false;
return true;
}
std::vector<uint32_t> sprite_indexes;
for(uint32_t i = 0; i < total_pics; ++i) {
uint32_t index;
safe_get(U32, index);
sprite_indexes.push_back(index);
}
// Now read individual sprites
int id = 1;
for(std::vector<uint32_t>::iterator sprite_iter = sprite_indexes.begin(); sprite_iter != sprite_indexes.end(); ++sprite_iter, ++id) {
uint32_t index = *sprite_iter + 3;
fh.seek(index);
uint16_t size;
safe_get(U16, size);
ImageMap::iterator it = image_space.find(id);
if(it != image_space.end()) {
GameSprite::NormalImage* spr = dynamic_cast<GameSprite::NormalImage*>(it->second);
if(spr && size > 0) {
if(spr->size > 0) {
wxString ss;
ss << "items.spr: Duplicate GameSprite id " << id;
warnings.push_back(ss);
fh.seekRelative(size);
} else {
spr->id = id;
spr->size = size;
spr->dump = newd uint8_t[size];
if(!fh.getRAW(spr->dump, size)) {
error = wxstr(fh.getErrorMessage()); \
return false;
}
}
}
} else {
fh.seekRelative(size);
}
}
#undef safe_get
unloaded = false;
return true;
}
bool GraphicManager::loadSpriteDump(uint8_t*& target, uint16_t& size, int sprite_id)
{
if(g_settings.getInteger(Config::USE_MEMCACHED_SPRITES))
return false;
if(sprite_id == 0) {
// Empty GameSprite
size = 0;
target = nullptr;
return true;
}
FileReadHandle fh(spritefile);
if(!fh.isOk())
return false;
unloaded = false;
if(!fh.seek((is_extended ? 4 : 2) + sprite_id * sizeof(uint32_t)))
return false;
uint32_t to_seek = 0;
if(fh.getU32(to_seek)) {
fh.seek(to_seek+3);
uint16_t sprite_size;
if(fh.getU16(sprite_size)) {
target = newd uint8_t[sprite_size];
if(fh.getRAW(target, sprite_size)) {
size = sprite_size;
return true;
}
delete[] target;
target = nullptr;
}
}
return false;
}
void GraphicManager::addSpriteToCleanup(GameSprite* spr)
{
cleanup_list.push_back(spr);
// Clean if needed
if(cleanup_list.size() > std::max<uint32_t>(100, g_settings.getInteger(Config::SOFTWARE_CLEAN_THRESHOLD))) {
for(int i = 0; i < g_settings.getInteger(Config::SOFTWARE_CLEAN_SIZE) && static_cast<uint32_t>(i) < cleanup_list.size(); ++i) {
cleanup_list.front()->unloadDC();
cleanup_list.pop_front();
}
}
}
void GraphicManager::garbageCollection()
{
if(g_settings.getInteger(Config::TEXTURE_MANAGEMENT)) {
int t = time(nullptr);
if(loaded_textures > g_settings.getInteger(Config::TEXTURE_CLEAN_THRESHOLD) &&
t - lastclean > g_settings.getInteger(Config::TEXTURE_CLEAN_PULSE)) {
ImageMap::iterator iit = image_space.begin();
while(iit != image_space.end()) {
iit->second->clean(t);
++iit;
}
SpriteMap::iterator sit = sprite_space.begin();
while(sit != sprite_space.end()) {
GameSprite* gs = dynamic_cast<GameSprite*>(sit->second);
if(gs) gs->clean(t);
++sit;
}
lastclean = t;
}
}
}
EditorSprite::EditorSprite(wxBitmap* b16x16, wxBitmap* b32x32)
{
bm[SPRITE_SIZE_16x16] = b16x16;
bm[SPRITE_SIZE_32x32] = b32x32;
}
EditorSprite::~EditorSprite()
{
unloadDC();
}
void EditorSprite::DrawTo(wxDC* dc, SpriteSize sz, int start_x, int start_y, int width, int height)
{
wxBitmap* sp = bm[sz];
if(sp)
dc->DrawBitmap(*sp, start_x, start_y, true);
}
void EditorSprite::unloadDC()
{
delete bm[SPRITE_SIZE_16x16];
delete bm[SPRITE_SIZE_32x32];
bm[SPRITE_SIZE_16x16] = nullptr;
bm[SPRITE_SIZE_32x32] = nullptr;
}
GameSprite::GameSprite() :
id(0),
height(0),
width(0),
layers(0),
pattern_x(0),
pattern_y(0),
pattern_z(0),
frames(0),
numsprites(0),
animator(nullptr),
draw_height(0),
drawoffset_x(0),
drawoffset_y(0),
minimap_color(0)
{
dc[SPRITE_SIZE_16x16] = nullptr;
dc[SPRITE_SIZE_32x32] = nullptr;
}
GameSprite::~GameSprite()
{
unloadDC();
for(std::list<TemplateImage*>::iterator iter = instanced_templates.begin(); iter != instanced_templates.end(); ++iter) {
delete *iter;
}
delete animator;
}
void GameSprite::clean(int time) {
for(std::list<TemplateImage*>::iterator iter = instanced_templates.begin();
iter != instanced_templates.end();
++iter)
{
(*iter)->clean(time);
}
}
void GameSprite::unloadDC()
{
delete dc[SPRITE_SIZE_16x16];
delete dc[SPRITE_SIZE_32x32];
dc[SPRITE_SIZE_16x16] = nullptr;
dc[SPRITE_SIZE_32x32] = nullptr;
}
int GameSprite::getDrawHeight() const
{
return draw_height;
}
std::pair<int, int> GameSprite::getDrawOffset() const
{
return std::make_pair(drawoffset_x, drawoffset_y);
}
uint8_t GameSprite::getMiniMapColor() const
{
return minimap_color;
}
int GameSprite::getIndex(int width, int height, int layer, int pattern_x, int pattern_y, int pattern_z, int frame) const
{
return ((((((frame % this->frames) *
this->pattern_z + pattern_z) *
this->pattern_y + pattern_y) *
this->pattern_x + pattern_x) *
this->layers + layer) *
this->height + height) *
this->width + width;
}
GLuint GameSprite::getHardwareID(int _x, int _y, int _layer, int _count, int _pattern_x, int _pattern_y, int _pattern_z, int _frame)
{
uint32_t v;
if(_count >= 0 && height <= 1 && width <= 1) {
v = _count;
} else {
v = ((((((_frame)*pattern_y+_pattern_y)*pattern_x+_pattern_x)*layers+_layer)*height+_y)*width+_x);
}
if(v >= numsprites) {
if(numsprites == 1) {
v = 0;
} else {
v %= numsprites;
}
}
return spriteList[v]->getHardwareID();
}
GameSprite::TemplateImage* GameSprite::getTemplateImage(int sprite_index, const Outfit& outfit)
{
if(instanced_templates.empty()) {
TemplateImage* img = newd TemplateImage(this, sprite_index, outfit);
instanced_templates.push_back(img);
return img;
}
// While this is linear lookup, it is very rare for the list to contain more than 4-8 entries, so it's faster than a hashmap anyways.
for(std::list<TemplateImage*>::iterator iter = instanced_templates.begin(); iter != instanced_templates.end(); ++iter) {
TemplateImage* img = *iter;
if(img->sprite_index == sprite_index) {
uint32_t lookHash = img->lookHead << 24 | img->lookBody << 16 | img->lookLegs << 8 | img->lookFeet;
if(outfit.getColorHash() == lookHash) {
return img;
}
}
}
TemplateImage* img = newd TemplateImage(this, sprite_index, outfit);
instanced_templates.push_back(img);
return img;
}
GLuint GameSprite::getHardwareID(int _x, int _y, int _dir, int _addon, int _pattern_z, const Outfit& _outfit, int _frame)
{
uint32_t v = getIndex(_x, _y, 0, _dir, _addon, _pattern_z, _frame);
if(v >= numsprites) {
if(numsprites == 1) {
v = 0;
} else {
v %= numsprites;
}
}
if(layers > 1) { // Template
TemplateImage* img = getTemplateImage(v, _outfit);
return img->getHardwareID();
}
return spriteList[v]->getHardwareID();
}
wxMemoryDC* GameSprite::getDC(SpriteSize size)
{
ASSERT(size == SPRITE_SIZE_16x16 || size == SPRITE_SIZE_32x32);
if(!dc[size]) {
ASSERT(width >= 1 && height >= 1);
const int bgshade = g_settings.getInteger(Config::ICON_BACKGROUND);
int image_size = std::max<int>(width, height) * SPRITE_PIXELS;
wxImage image(image_size, image_size);
image.Clear(bgshade);
for(uint8_t l = 0; l < layers; l++) {
for(uint8_t w = 0; w < width; w++) {
for(uint8_t h = 0; h < height; h++) {
const int i = getIndex(w, h, l, 0, 0, 0, 0);
uint8_t* data = spriteList[i]->getRGBData();
if(data) {
wxImage img(SPRITE_PIXELS, SPRITE_PIXELS, data);
img.SetMaskColour(0xFF, 0x00, 0xFF);
image.Paste(img, (width - w - 1) * SPRITE_PIXELS, (height - h - 1) * SPRITE_PIXELS);
img.Destroy();
}
}
}
}
// Now comes the resizing / antialiasing
if(size == SPRITE_SIZE_16x16 || image.GetWidth() > SPRITE_PIXELS || image.GetHeight() > SPRITE_PIXELS) {
int new_size = SPRITE_SIZE_16x16 ? 16 : 32;
image.Rescale(new_size, new_size);
}
wxBitmap bmp(image);
dc[size] = newd wxMemoryDC(bmp);
g_gui.gfx.addSpriteToCleanup(this);
image.Destroy();
}
return dc[size];
}
void GameSprite::DrawTo(wxDC* dc, SpriteSize sz, int start_x, int start_y, int width, int height)
{
if(width == -1) width = sz == SPRITE_SIZE_32x32 ? 32 : 16;
if(height == -1) height= sz == SPRITE_SIZE_32x32 ? 32 : 16;
wxDC* sdc = getDC(sz);
if(sdc) {
dc->Blit(start_x, start_y, width, height, sdc, 0, 0, wxCOPY, true);
} else {
const wxBrush& b = dc->GetBrush();
dc->SetBrush(*wxRED_BRUSH);
dc->DrawRectangle(start_x, start_y, width, height);
dc->SetBrush(b);
}
}
GameSprite::Image::Image() :
isGLLoaded(false),
lastaccess(0)
{
////
}
GameSprite::Image::~Image()
{
unloadGLTexture(0);
}
void GameSprite::Image::createGLTexture(GLuint whatid)
{
ASSERT(!isGLLoaded);
uint8_t* rgba = getRGBAData();
if(!rgba) {
return;
}
isGLLoaded = true;
g_gui.gfx.loaded_textures += 1;
glBindTexture(GL_TEXTURE_2D, whatid);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); // Linear Filtering
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); // Linear Filtering
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, 0x812F); // GL_CLAMP_TO_EDGE
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, 0x812F); // GL_CLAMP_TO_EDGE
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, SPRITE_PIXELS, SPRITE_PIXELS, 0, GL_RGBA, GL_UNSIGNED_BYTE, rgba);
delete[] rgba;
#undef SPRITE_SIZE
}
void GameSprite::Image::unloadGLTexture(GLuint whatid)
{
isGLLoaded = false;
g_gui.gfx.loaded_textures -= 1;
glDeleteTextures(1, &whatid);
}
void GameSprite::Image::visit()
{
lastaccess = time(nullptr);
}
void GameSprite::Image::clean(int time)
{
if(isGLLoaded && time - lastaccess > g_settings.getInteger(Config::TEXTURE_LONGEVITY)) {
unloadGLTexture(0);
}
}
GameSprite::NormalImage::NormalImage() :
id(0),
size(0),
dump(nullptr)
{
////
}
GameSprite::NormalImage::~NormalImage()
{
delete[] dump;
}
void GameSprite::NormalImage::clean(int time)
{
Image::clean(time);
if(time - lastaccess > 5 && !g_settings.getInteger(Config::USE_MEMCACHED_SPRITES)) { // We keep dumps around for 5 seconds.
delete[] dump;
dump = nullptr;
}
}
uint8_t* GameSprite::NormalImage::getRGBData()
{
if(!dump) {
if(g_settings.getInteger(Config::USE_MEMCACHED_SPRITES)) {
return nullptr;
}
if(!g_gui.gfx.loadSpriteDump(dump, size, id)) {
return nullptr;
}
}
const int pixels_data_size = SPRITE_PIXELS * SPRITE_PIXELS * 3;
uint8_t* data = newd uint8_t[pixels_data_size];
uint8_t bpp = g_gui.gfx.hasTransparency() ? 4 : 3;
int write = 0;
int read = 0;
// decompress pixels
while(read < size && write < pixels_data_size) {
int transparent = dump[read] | dump[read + 1] << 8;
read += 2;
for(int i = 0; i < transparent && write < pixels_data_size; i++) {
data[write + 0] = 0xFF; // red
data[write + 1] = 0x00; // green
data[write + 2] = 0xFF; // blue
write += 3;
}
int colored = dump[read] | dump[read + 1] << 8;
read += 2;
for(int i = 0; i < colored && write < pixels_data_size; i++) {
data[write + 0] = dump[read + 0]; // red
data[write + 1] = dump[read + 1]; // green
data[write + 2] = dump[read + 2]; // blue
write += 3;
read += bpp;
}
}
// fill remaining pixels
while(write < pixels_data_size) {
data[write + 0] = 0xFF; // red
data[write + 1] = 0x00; // green
data[write + 2] = 0xFF; // blue
write += 3;
}
return data;
}
uint8_t* GameSprite::NormalImage::getRGBAData()
{
if(!dump) {
if(g_settings.getInteger(Config::USE_MEMCACHED_SPRITES)) {
return nullptr;
}
if(!g_gui.gfx.loadSpriteDump(dump, size, id)) {
return nullptr;
}
}
const int pixels_data_size = SPRITE_PIXELS_SIZE * 4;
uint8_t* data = newd uint8_t[pixels_data_size];
bool use_alpha = g_gui.gfx.hasTransparency();
uint8_t bpp = use_alpha ? 4 : 3;
int write = 0;
int read = 0;
// decompress pixels
while(read < size && write < pixels_data_size) {
int transparent = dump[read] | dump[read + 1] << 8;
if(use_alpha && transparent >= SPRITE_PIXELS_SIZE) // Corrupted sprite?
break;
read += 2;
for(int i = 0; i < transparent && write < pixels_data_size; i++) {
data[write + 0] = 0x00; // red
data[write + 1] = 0x00; // green
data[write + 2] = 0x00; // blue
data[write + 3] = 0x00; // alpha
write += 4;
}
int colored = dump[read] | dump[read + 1] << 8;
read += 2;
for(int i = 0; i < colored && write < pixels_data_size; i++) {
data[write + 0] = dump[read + 0]; // red
data[write + 1] = dump[read + 1]; // green
data[write + 2] = dump[read + 2]; // blue
data[write + 3] = use_alpha ? dump[read + 3] : 0xFF; // alpha
write += 4;
read += bpp;
}
}
// fill remaining pixels
while(write < pixels_data_size) {
data[write + 0] = 0x00; // red
data[write + 1] = 0x00; // green
data[write + 2] = 0x00; // blue
data[write + 3] = 0x00; // alpha
write += 4;
}
return data;
}
GLuint GameSprite::NormalImage::getHardwareID()
{
if(!isGLLoaded) {
createGLTexture(id);
}
visit();
return id;
}
void GameSprite::NormalImage::createGLTexture(GLuint ignored)
{
Image::createGLTexture(id);
}
void GameSprite::NormalImage::unloadGLTexture(GLuint ignored)
{
Image::unloadGLTexture(id);
}
GameSprite::TemplateImage::TemplateImage(GameSprite* parent, int v, const Outfit& outfit) :
gl_tid(0),
parent(parent),
sprite_index(v),
lookHead(outfit.lookHead),
lookBody(outfit.lookBody),
lookLegs(outfit.lookLegs),
lookFeet(outfit.lookFeet)
{
////
}
GameSprite::TemplateImage::~TemplateImage()
{
////
}
void GameSprite::TemplateImage::colorizePixel(uint8_t color, uint8_t& red, uint8_t& green, uint8_t& blue) {
// Thanks! Khaos, or was it mips? Hmmm... =)
uint8_t ro = (TemplateOutfitLookupTable[color] & 0xFF0000) >> 16; // rgb outfit
uint8_t go = (TemplateOutfitLookupTable[color] & 0xFF00) >> 8;
uint8_t bo = (TemplateOutfitLookupTable[color] & 0xFF);
red = (uint8_t)(red * (ro / 255.f));
green = (uint8_t)(green * (go / 255.f));
blue = (uint8_t)(blue * (bo / 255.f));
}
uint8_t* GameSprite::TemplateImage::getRGBData()
{
uint8_t* rgbdata = parent->spriteList[sprite_index]->getRGBData();
uint8_t* template_rgbdata = parent->spriteList[sprite_index + parent->height * parent->width]->getRGBData();
if(!rgbdata) {
delete[] template_rgbdata;
return nullptr;
}
if(!template_rgbdata) {
delete[] rgbdata;
return nullptr;
}
if(lookHead > (sizeof(TemplateOutfitLookupTable) / sizeof(TemplateOutfitLookupTable[0]))) {
lookHead = 0;
}
if(lookBody > (sizeof(TemplateOutfitLookupTable) / sizeof(TemplateOutfitLookupTable[0]))) {
lookBody = 0;
}
if(lookLegs > (sizeof(TemplateOutfitLookupTable) / sizeof(TemplateOutfitLookupTable[0]))) {
lookLegs = 0;
}
if(lookFeet > (sizeof(TemplateOutfitLookupTable) / sizeof(TemplateOutfitLookupTable[0]))) {
lookFeet = 0;
}
for(int y = 0; y < SPRITE_PIXELS; ++y) {
for(int x = 0; x < SPRITE_PIXELS; ++x) {
uint8_t& red = rgbdata[y*SPRITE_PIXELS*3 + x*3 + 0];
uint8_t& green = rgbdata[y*SPRITE_PIXELS*3 + x*3 + 1];
uint8_t& blue = rgbdata[y*SPRITE_PIXELS*3 + x*3 + 2];
uint8_t& tred = template_rgbdata[y*SPRITE_PIXELS*3 + x*3 + 0];
uint8_t& tgreen = template_rgbdata[y*SPRITE_PIXELS*3 + x*3 + 1];
uint8_t& tblue = template_rgbdata[y*SPRITE_PIXELS*3 + x*3 + 2];
if(tred && tgreen && !tblue) { // yellow => head
colorizePixel(lookHead, red, green, blue);
} else if(tred && !tgreen && !tblue) { // red => body
colorizePixel(lookBody, red, green, blue);
} else if(!tred && tgreen && !tblue) { // green => legs
colorizePixel(lookLegs, red, green, blue);
} else if(!tred && !tgreen && tblue) { // blue => feet
colorizePixel(lookFeet, red, green, blue);
}
}
}
delete[] template_rgbdata;
return rgbdata;
}
uint8_t* GameSprite::TemplateImage::getRGBAData()
{
uint8_t* rgbadata = parent->spriteList[sprite_index]->getRGBAData();
uint8_t* template_rgbdata = parent->spriteList[sprite_index + parent->height * parent->width]->getRGBData();
if(!rgbadata) {
delete[] template_rgbdata;
return nullptr;
}
if(!template_rgbdata) {
delete[] rgbadata;
return nullptr;
}
if(lookHead > (sizeof(TemplateOutfitLookupTable) / sizeof(TemplateOutfitLookupTable[0]))) {
lookHead = 0;
}
if(lookBody > (sizeof(TemplateOutfitLookupTable) / sizeof(TemplateOutfitLookupTable[0]))) {
lookBody = 0;
}
if(lookLegs > (sizeof(TemplateOutfitLookupTable) / sizeof(TemplateOutfitLookupTable[0]))) {
lookLegs = 0;
}
if(lookFeet > (sizeof(TemplateOutfitLookupTable) / sizeof(TemplateOutfitLookupTable[0]))) {
lookFeet = 0;
}
for(int y = 0; y < SPRITE_PIXELS; ++y) {
for(int x = 0; x < SPRITE_PIXELS; ++x) {
uint8_t& red = rgbadata[y*SPRITE_PIXELS*4 + x*4 + 0];
uint8_t& green = rgbadata[y*SPRITE_PIXELS*4 + x*4 + 1];
uint8_t& blue = rgbadata[y*SPRITE_PIXELS*4 + x*4 + 2];
uint8_t& tred = template_rgbdata[y*SPRITE_PIXELS*3 + x*3 + 0];
uint8_t& tgreen = template_rgbdata[y*SPRITE_PIXELS*3 + x*3 + 1];
uint8_t& tblue = template_rgbdata[y*SPRITE_PIXELS*3 + x*3 + 2];
if(tred && tgreen && !tblue) { // yellow => head
colorizePixel(lookHead, red, green, blue);
} else if(tred && !tgreen && !tblue) { // red => body
colorizePixel(lookBody, red, green, blue);
} else if(!tred && tgreen && !tblue) { // green => legs
colorizePixel(lookLegs, red, green, blue);
} else if(!tred && !tgreen && tblue) { // blue => feet
colorizePixel(lookFeet, red, green, blue);
}
}
}
delete[] template_rgbdata;
return rgbadata;
}
GLuint GameSprite::TemplateImage::getHardwareID()
{
if(!isGLLoaded) {
if(gl_tid == 0) {
gl_tid = g_gui.gfx.getFreeTextureID();
}
createGLTexture(gl_tid);
if(!isGLLoaded) {
return 0;
}
}
visit();
return gl_tid;
}
void GameSprite::TemplateImage::createGLTexture(GLuint unused)
{
Image::createGLTexture(gl_tid);
}
void GameSprite::TemplateImage::unloadGLTexture(GLuint unused)
{
Image::unloadGLTexture(gl_tid);
}
// ============================================================================
// Animator
Animator::Animator(int frame_count, int start_frame, int loop_count, bool async) :
frame_count(frame_count),
start_frame(start_frame),
loop_count(loop_count),
async(async),
current_frame(0),
current_loop(0),
current_duration(0),
total_duration(0),
direction(ANIMATION_FORWARD),
last_time(0),
is_complete(false)
{
ASSERT(start_frame >= -1 && start_frame < frame_count);
for(int i = 0; i < frame_count; i++) {
durations.push_back(newd FrameDuration(ITEM_FRAME_DURATION, ITEM_FRAME_DURATION));
}
reset();
}
Animator::~Animator()
{
for(int i = 0; i < frame_count; i++) {
delete durations[i];
}
durations.clear();
}
int Animator::getStartFrame() const
{
if(start_frame > -1)
return start_frame;
return uniform_random(0, frame_count - 1);
}
FrameDuration* Animator::getFrameDuration(int frame)
{
ASSERT(frame >= 0 && frame < frame_count);
return durations[frame];
}
int Animator::getFrame()
{
long time = g_gui.gfx.getElapsedTime();
if(time != last_time && !is_complete) {
long elapsed = time - last_time;
if(elapsed >= current_duration) {
int frame = 0;
if(loop_count < 0)
frame = getPingPongFrame();
else
frame = getLoopFrame();
if(current_frame != frame) {
int duration = getDuration(frame) - (elapsed - current_duration);
if(duration < 0 && !async) {
calculateSynchronous();
} else {
current_frame = frame;
current_duration = std::max<int>(0, duration);
}
} else {
is_complete = true;
}
} else {
current_duration -= elapsed;
}
last_time = time;
}
return current_frame;
}
void Animator::setFrame(int frame)
{
ASSERT(frame == -1 || frame == 255 || frame == 254 || (frame >= 0 && frame < frame_count));
if(current_frame == frame)
return;
if(async) {
if(frame == 255) // Async mode
current_frame = 0;
else if(frame == 254) // Random mode
current_frame = uniform_random(0, frame_count - 1);
else if(frame >= 0 && frame < frame_count)
current_frame = frame;
else
current_frame = getStartFrame();
is_complete = false;
last_time = g_gui.gfx.getElapsedTime();
current_duration = getDuration(current_frame);
current_loop = 0;
} else {
calculateSynchronous();
}
}
void Animator::reset()
{
total_duration = 0;
for(int i = 0; i < frame_count; i++)
total_duration += durations[i]->max;
is_complete = false;
direction = ANIMATION_FORWARD;
current_loop = 0;
async = false;
setFrame(-1);
}
int Animator::getDuration(int frame) const
{
ASSERT(frame >= 0 && frame < frame_count);
return durations[frame]->getDuration();
}
int Animator::getPingPongFrame()
{
int count = direction == ANIMATION_FORWARD ? 1 : -1;
int next_frame = current_frame + count;
if(next_frame < 0 || next_frame >= frame_count) {
direction = direction == ANIMATION_FORWARD ? ANIMATION_BACKWARD : ANIMATION_FORWARD;
count *= -1;
}
return current_frame + count;
}
int Animator::getLoopFrame()
{
int next_phase = current_frame + 1;
if(next_phase < frame_count)
return next_phase;
if(loop_count == 0)
return 0;
if(current_loop < (loop_count - 1)) {
current_loop++;
return 0;
}
return current_frame;
}
void Animator::calculateSynchronous()
{
long time = g_gui.gfx.getElapsedTime();
if(time > 0 && total_duration > 0) {
long elapsed = time % total_duration;
int total_time = 0;
for(int i = 0; i < frame_count; i++) {
int duration = getDuration(i);
if(elapsed >= total_time && elapsed < total_time + duration) {
current_frame = i;
current_duration = duration - (elapsed - total_time);
break;
}
total_time += duration;
}
last_time = time;
}
}
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