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[c] Fix readVarint, closes #2281

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This commit is contained in:
Mario Zechner 2023-05-02 11:44:49 +02:00
parent 350ad06269
commit fc1cc6f0ee
2 changed files with 46 additions and 37 deletions
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19
CMakeLists.txt
View File

@ -20,24 +20,25 @@ else()
endif() endif()
endif() endif()
add_subdirectory(spine-c)
add_subdirectory(spine-cpp)
add_subdirectory(spine-cpp/spine-cpp-unit-tests)
if((${SPINE_SFML}) OR (${CMAKE_CURRENT_BINARY_DIR} MATCHES "spine-sfml")) if((${SPINE_SFML}) OR (${CMAKE_CURRENT_BINARY_DIR} MATCHES "spine-sfml"))
if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin") if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
set(CMAKE_OSX_ARCHITECTURES x86_64) set(CMAKE_OSX_ARCHITECTURES x86_64)
set(ONLY_ACTIVE_ARCH NO) set(ONLY_ACTIVE_ARCH NO)
endif() endif()
add_subdirectory(spine-c)
add_subdirectory(spine-cpp)
add_subdirectory(spine-sfml/c) add_subdirectory(spine-sfml/c)
add_subdirectory(spine-sfml/cpp) add_subdirectory(spine-sfml/cpp)
endif() elseif((${SPINE_SDL}) OR (${CMAKE_CURRENT_BINARY_DIR} MATCHES "spine-sdl"))
if((${SPINE_SDL}) OR (${CMAKE_CURRENT_BINARY_DIR} MATCHES "spine-sdl"))
if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin") if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
set(CMAKE_OSX_ARCHITECTURES x86_64;arm64) set(CMAKE_OSX_ARCHITECTURES x86_64;arm64)
set(ONLY_ACTIVE_ARCH NO) set(ONLY_ACTIVE_ARCH NO)
endif() endif()
add_subdirectory(spine-c)
add_subdirectory(spine-cpp)
add_subdirectory(spine-sdl) add_subdirectory(spine-sdl)
endif() else()
add_subdirectory(spine-c)
add_subdirectory(spine-cpp)
add_subdirectory(spine-cpp/spine-cpp-unit-tests)
endif()

64
spine-c/spine-c/src/spine/SkeletonBinary.c
View File

@ -113,24 +113,23 @@ static int readInt(_dataInput *input) {
} }
static int readVarint(_dataInput *input, int /*bool*/ optimizePositive) { static int readVarint(_dataInput *input, int /*bool*/ optimizePositive) {
unsigned char b = readByte(input); unsigned char b = readByte(input);
uint32_t value = b & 0x7F; int32_t value = b & 0x7F;
if (b & 0x80) { if (b & 0x80) {
b = readByte(input); b = readByte(input);
value |= (b & 0x7F) << 7; value |= (b & 0x7F) << 7;
if (b & 0x80) { if (b & 0x80) {
b = readByte(input); b = readByte(input);
value |= (b & 0x7F) << 14; value |= (b & 0x7F) << 14;
if (b & 0x80) { if (b & 0x80) {
b = readByte(input); b = readByte(input);
value |= (b & 0x7F) << 21; value |= (b & 0x7F) << 21;
if (b & 0x80) value |= (uint32_t) (readByte(input) & 0x7F) << 28; if (b & 0x80) value |= (readByte(input) & 0x7F) << 28;
} }
} }
} }
if (!optimizePositive) if (!optimizePositive) value = (((unsigned int) value >> 1) ^ -(value & 1));
value = ((unsigned int) value >> 1) ^ (~(value & 1)); return value;
return (int) value;
} }
float readFloat(_dataInput *input) { float readFloat(_dataInput *input) {
@ -1031,9 +1030,10 @@ spAttachment *spSkeletonBinary_readAttachment(spSkeletonBinary *self, _dataInput
{ {
spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name,
path, sequence); path, sequence);
spRegionAttachment *region = NULL;
if (!attachment) if (!attachment)
return NULL; return NULL;
spRegionAttachment *region = SUB_CAST(spRegionAttachment, attachment); region = SUB_CAST(spRegionAttachment, attachment);
region->path = path; region->path = path;
region->rotation = rotation; region->rotation = rotation;
region->x = x; region->x = x;
@ -1053,9 +1053,10 @@ spAttachment *spSkeletonBinary_readAttachment(spSkeletonBinary *self, _dataInput
int vertexCount = readVarint(input, 1); int vertexCount = readVarint(input, 1);
spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, 0, spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, 0,
NULL); NULL);
spVertexAttachment *vertexAttachment = NULL;
if (!attachment) if (!attachment)
return NULL; return NULL;
spVertexAttachment *vertexAttachment = SUB_CAST(spVertexAttachment, attachment); vertexAttachment = SUB_CAST(spVertexAttachment, attachment);
_readVertices(self, input, &vertexAttachment->bonesCount, &vertexAttachment->bones, _readVertices(self, input, &vertexAttachment->bonesCount, &vertexAttachment->bones,
&vertexAttachment->verticesCount, &vertexAttachment->vertices, &vertexAttachment->verticesCount, &vertexAttachment->vertices,
&vertexAttachment->worldVerticesLength, vertexCount); &vertexAttachment->worldVerticesLength, vertexCount);
@ -1106,9 +1107,10 @@ spAttachment *spSkeletonBinary_readAttachment(spSkeletonBinary *self, _dataInput
{ {
spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, path, sequence); spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, path, sequence);
spMeshAttachment *mesh = NULL;
if (!attachment) if (!attachment)
return NULL; return NULL;
spMeshAttachment *mesh = SUB_CAST(spMeshAttachment, attachment); mesh = SUB_CAST(spMeshAttachment, attachment);
mesh->path = path; mesh->path = path;
spColor_setFromColor(&mesh->color, &color); spColor_setFromColor(&mesh->color, &color);
mesh->regionUVs = regionUVs; mesh->regionUVs = regionUVs;
@ -1157,9 +1159,10 @@ spAttachment *spSkeletonBinary_readAttachment(spSkeletonBinary *self, _dataInput
{ {
spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, path, sequence); spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, path, sequence);
spMeshAttachment *mesh = NULL;
if (!attachment) if (!attachment)
return NULL; return NULL;
spMeshAttachment *mesh = SUB_CAST(spMeshAttachment, attachment); mesh = SUB_CAST(spMeshAttachment, attachment);
mesh->path = path; mesh->path = path;
spColor_setFromColor(&mesh->color, &color); spColor_setFromColor(&mesh->color, &color);
mesh->sequence = sequence; mesh->sequence = sequence;
@ -1172,11 +1175,13 @@ spAttachment *spSkeletonBinary_readAttachment(spSkeletonBinary *self, _dataInput
case SP_ATTACHMENT_PATH: { case SP_ATTACHMENT_PATH: {
spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, 0, spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, 0,
NULL); NULL);
spPathAttachment *path = NULL;
spVertexAttachment *vertexAttachment = NULL;
int vertexCount = 0;
if (!attachment) if (!attachment)
return NULL; return NULL;
spPathAttachment *path = SUB_CAST(spPathAttachment, attachment); path = SUB_CAST(spPathAttachment, attachment);
spVertexAttachment *vertexAttachment = SUPER(path); vertexAttachment = SUPER(path);
int vertexCount = 0;
path->closed = readBoolean(input); path->closed = readBoolean(input);
path->constantSpeed = readBoolean(input); path->constantSpeed = readBoolean(input);
vertexCount = readVarint(input, 1); vertexCount = readVarint(input, 1);
@ -1197,9 +1202,10 @@ spAttachment *spSkeletonBinary_readAttachment(spSkeletonBinary *self, _dataInput
case SP_ATTACHMENT_POINT: { case SP_ATTACHMENT_POINT: {
spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, 0, spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, 0,
NULL); NULL);
spPointAttachment *point = NULL;
if (!attachment) if (!attachment)
return NULL; return NULL;
spPointAttachment *point = SUB_CAST(spPointAttachment, attachment); point = SUB_CAST(spPointAttachment, attachment);
point->rotation = readFloat(input); point->rotation = readFloat(input);
point->x = readFloat(input) * self->scale; point->x = readFloat(input) * self->scale;
point->y = readFloat(input) * self->scale; point->y = readFloat(input) * self->scale;
@ -1215,10 +1221,12 @@ spAttachment *spSkeletonBinary_readAttachment(spSkeletonBinary *self, _dataInput
int vertexCount = readVarint(input, 1); int vertexCount = readVarint(input, 1);
spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, 0, spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, 0,
NULL); NULL);
spClippingAttachment *clip = NULL;
spVertexAttachment *vertexAttachment = NULL;
if (!attachment) if (!attachment)
return NULL; return NULL;
spClippingAttachment *clip = SUB_CAST(spClippingAttachment, attachment); clip = SUB_CAST(spClippingAttachment, attachment);
spVertexAttachment *vertexAttachment = SUPER(clip); vertexAttachment = SUPER(clip);
_readVertices(self, input, &vertexAttachment->bonesCount, &vertexAttachment->bones, _readVertices(self, input, &vertexAttachment->bonesCount, &vertexAttachment->bones,
&vertexAttachment->verticesCount, &vertexAttachment->vertices, &vertexAttachment->verticesCount, &vertexAttachment->vertices,
&vertexAttachment->worldVerticesLength, vertexCount); &vertexAttachment->worldVerticesLength, vertexCount);