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src/anim.cpp
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307
src/anim.cpp
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <cassert>
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#include <new>
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#include "rwbase.h"
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#include "rwplugin.h"
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#include "rwpipeline.h"
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#include "rwobjects.h"
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using namespace std;
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namespace rw {
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#define MAXINTERPINFO 10
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static AnimInterpolatorInfo *interpInfoList[MAXINTERPINFO];
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void
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registerAnimInterpolatorInfo(AnimInterpolatorInfo *interpInfo)
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{
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for(int32 i = 0; i < MAXINTERPINFO; i++)
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if(interpInfoList[i] == NULL){
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interpInfoList[i] = interpInfo;
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return;
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}
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assert(0 && "no room for interpolatorInfo");
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}
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AnimInterpolatorInfo*
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findAnimInterpolatorInfo(int32 id)
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{
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for(int32 i = 0; i < MAXINTERPINFO; i++){
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if(interpInfoList[i] && interpInfoList[i]->id == id)
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return interpInfoList[i];
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}
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return NULL;
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}
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Animation::Animation(AnimInterpolatorInfo *interpInfo, int32 numFrames, int32 flags, float duration)
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{
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this->interpInfo = interpInfo;
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this->numFrames = numFrames;
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this->flags = flags;
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this->duration = duration;
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uint8 *data = new uint8[this->numFrames*interpInfo->keyFrameSize + interpInfo->customDataSize];
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this->keyframes = data;
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data += this->numFrames*interpInfo->keyFrameSize;
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this->customData = data;
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}
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Animation*
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Animation::streamRead(Stream *stream)
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{
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Animation *anim;
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assert(stream->readI32() == 0x100);
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int32 typeID = stream->readI32();
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AnimInterpolatorInfo *interpInfo = findAnimInterpolatorInfo(typeID);
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int32 numFrames = stream->readI32();
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int32 flags = stream->readI32();
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float duration = stream->readF32();
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anim = new Animation(interpInfo, numFrames, flags, duration);
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interpInfo->streamRead(stream, anim);
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return anim;
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}
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bool
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Animation::streamWrite(Stream *stream)
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{
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stream->writeI32(0x100);
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stream->writeI32(this->interpInfo->id);
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stream->writeI32(this->numFrames);
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stream->writeI32(this->flags);
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stream->writeF32(this->duration);
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this->interpInfo->streamWrite(stream, this);
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return true;
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}
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uint32
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Animation::streamGetSize(void)
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{
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uint32 size = 4 + 4 + 4 + 4 + 4;
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size += this->interpInfo->streamGetSize(this);
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return size;
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}
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AnimInterpolator::AnimInterpolator(Animation *anim)
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{
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this->anim = anim;
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}
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UVAnimDictionary *currentUVAnimDictionary;
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UVAnimDictionary*
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UVAnimDictionary::streamRead(Stream *stream)
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{
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assert(findChunk(stream, ID_STRUCT, NULL, NULL));
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UVAnimDictionary *dict = new UVAnimDictionary;
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dict->numAnims = stream->readI32();
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dict->anims = new Animation*[dict->numAnims];
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for(int32 i = 0; i < dict->numAnims; i++){
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assert(findChunk(stream, ID_ANIMANIMATION, NULL, NULL));
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dict->anims[i] = Animation::streamRead(stream);
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}
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return dict;
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}
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bool
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UVAnimDictionary::streamWrite(Stream *stream)
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{
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uint32 size = this->streamGetSize();
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writeChunkHeader(stream, ID_UVANIMDICT, size);
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writeChunkHeader(stream, ID_STRUCT, 4);
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stream->writeI32(this->numAnims);
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for(int32 i = 0; i < this->numAnims; i++){
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writeChunkHeader(stream, ID_ANIMANIMATION, this->anims[i]->streamGetSize());
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this->anims[i]->streamWrite(stream);
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}
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return true;
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}
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uint32
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UVAnimDictionary::streamGetSize(void)
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{
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uint32 size = 12 + 4;
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for(int32 i = 0; i < this->numAnims; i++)
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size += 12 + this->anims[i]->streamGetSize();
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return size;
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}
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Animation*
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UVAnimDictionary::find(const char *name)
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{
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for(int32 i = 0; i < this->numAnims; i++){
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Animation *anim = this->anims[i];
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UVAnimCustomData *custom = (UVAnimCustomData*)anim->customData;
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if(strncmp(custom->name, name, 32) == 0) // strncmp correct?
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return anim;
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}
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return NULL;
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}
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static void
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uvAnimStreamRead(Stream *stream, Animation *anim)
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{
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UVAnimCustomData *custom = (UVAnimCustomData*)anim->customData;
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UVAnimKeyFrame *frames = (UVAnimKeyFrame*)anim->keyframes;
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stream->readI32();
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stream->read(custom->name, 32);
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stream->read(custom->nodeToUVChannel, 8*4);
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for(int32 i = 0; i < anim->numFrames; i++){
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frames[i].time = stream->readF32();
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stream->read(frames[i].uv, 6*4);
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int32 prev = stream->readI32();
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frames[i].prev = &frames[prev];
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}
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}
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static void
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uvAnimStreamWrite(Stream *stream, Animation *anim)
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{
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UVAnimCustomData *custom = (UVAnimCustomData*)anim->customData;
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UVAnimKeyFrame *frames = (UVAnimKeyFrame*)anim->keyframes;
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stream->writeI32(0);
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stream->write(custom->name, 32);
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stream->write(custom->nodeToUVChannel, 8*4);
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for(int32 i = 0; i < anim->numFrames; i++){
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stream->writeF32(frames[i].time);
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stream->write(frames[i].uv, 6*4);
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stream->writeI32(frames[i].prev - frames);
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}
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}
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static uint32
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uvAnimStreamGetSize(Animation *anim)
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{
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return 4 + 32 + 8*4 + anim->numFrames*(4 + 6*4 + 4);
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}
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static void
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registerUVAnimInterpolator(void)
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{
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// Linear
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AnimInterpolatorInfo *info = new AnimInterpolatorInfo;
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info->id = 0x1C0;
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info->keyFrameSize = sizeof(UVAnimKeyFrame);
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info->customDataSize = sizeof(UVAnimCustomData);
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info->streamRead = uvAnimStreamRead;
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info->streamWrite = uvAnimStreamWrite;
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info->streamGetSize = uvAnimStreamGetSize;
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registerAnimInterpolatorInfo(info);
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// Param
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info = new AnimInterpolatorInfo;
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info->id = 0x1C1;
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info->keyFrameSize = sizeof(UVAnimKeyFrame);
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info->customDataSize = sizeof(UVAnimCustomData);
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info->streamRead = uvAnimStreamRead;
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info->streamWrite = uvAnimStreamWrite;
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info->streamGetSize = uvAnimStreamGetSize;
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registerAnimInterpolatorInfo(info);
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}
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int32 uvAnimOffset;
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struct UVAnim
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{
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AnimInterpolator *interp[8];
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};
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static void*
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createUVAnim(void *object, int32 offset, int32)
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{
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UVAnim *uvanim;
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uvanim = PLUGINOFFSET(UVAnim, object, offset);
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memset(uvanim, 0, sizeof(*uvanim));
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return object;
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}
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static void*
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destroyUVAnim(void *object, int32 offset, int32)
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{
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UVAnim *uvanim;
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uvanim = PLUGINOFFSET(UVAnim, object, offset);
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// TODO: ref counts &c.
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return object;
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}
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static void*
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copyUVAnim(void *dst, void *src, int32 offset, int32)
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{
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UVAnim *srcuvanim, *dstuvanim;
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dstuvanim = PLUGINOFFSET(UVAnim, dst, offset);
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srcuvanim = PLUGINOFFSET(UVAnim, src, offset);
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memcpy(dstuvanim, srcuvanim, sizeof(*srcuvanim));
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// TODO: ref counts &c.
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return dst;
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}
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static void
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readUVAnim(Stream *stream, int32, void *object, int32 offset, int32)
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{
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UVAnim *uvanim = PLUGINOFFSET(UVAnim, object, offset);
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assert(findChunk(stream, ID_STRUCT, NULL, NULL));
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char name[32];
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uint32 mask = stream->readI32();
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uint32 bit = 1;
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for(int32 i = 0; i < 8; i++){
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if(mask & bit){
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stream->read(name, 32);
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assert(currentUVAnimDictionary != NULL);
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Animation *anim = currentUVAnimDictionary->find(name);
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AnimInterpolator *interp = new AnimInterpolator(anim);
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uvanim->interp[i] = interp;
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}
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bit <<= 1;
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}
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}
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static void
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writeUVAnim(Stream *stream, int32 size, void *object, int32 offset, int32)
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{
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UVAnim *uvanim = PLUGINOFFSET(UVAnim, object, offset);
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writeChunkHeader(stream, ID_STRUCT, size-12);
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uint32 mask = 0;
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uint32 bit = 1;
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for(int32 i = 0; i < 8; i++){
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if(uvanim->interp[i])
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mask |= bit;
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bit <<= 1;
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}
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stream->writeI32(mask);
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for(int32 i = 0; i < 8; i++){
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if(uvanim->interp[i]){
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UVAnimCustomData *custom =
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(UVAnimCustomData*)uvanim->interp[i]->anim->customData;
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stream->write(custom->name, 32);
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}
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}
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}
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static int32
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getSizeUVAnim(void *object, int32 offset, int32)
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{
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UVAnim *uvanim = PLUGINOFFSET(UVAnim, object, offset);
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int32 size = 12 + 4;
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for(int32 i = 0; i < 8; i++)
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if(uvanim->interp[i])
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size += 32;
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return size;
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}
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void
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registerUVAnimPlugin(void)
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{
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registerUVAnimInterpolator();
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uvAnimOffset = Material::registerPlugin(sizeof(UVAnim), ID_UVANIMATION,
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createUVAnim, destroyUVAnim, copyUVAnim);
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Material::registerPluginStream(ID_UVANIMATION, readUVAnim, writeUVAnim, getSizeUVAnim);
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}
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}
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