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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()
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 (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
set(CMAKE_OSX_ARCHITECTURES x86_64)
set(ONLY_ACTIVE_ARCH NO)
endif()
add_subdirectory(spine-c)
add_subdirectory(spine-cpp)
add_subdirectory(spine-sfml/c)
add_subdirectory(spine-sfml/cpp)
endif()
if((${SPINE_SDL}) OR (${CMAKE_CURRENT_BINARY_DIR} MATCHES "spine-sdl"))
elseif((${SPINE_SDL}) OR (${CMAKE_CURRENT_BINARY_DIR} MATCHES "spine-sdl"))
if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
set(CMAKE_OSX_ARCHITECTURES x86_64;arm64)
set(ONLY_ACTIVE_ARCH NO)
endif()
add_subdirectory(spine-c)
add_subdirectory(spine-cpp)
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) {
unsigned char b = readByte(input);
uint32_t value = b & 0x7F;
if (b & 0x80) {
b = readByte(input);
value |= (b & 0x7F) << 7;
if (b & 0x80) {
b = readByte(input);
value |= (b & 0x7F) << 14;
if (b & 0x80) {
b = readByte(input);
value |= (b & 0x7F) << 21;
if (b & 0x80) value |= (uint32_t) (readByte(input) & 0x7F) << 28;
}
}
}
if (!optimizePositive)
value = ((unsigned int) value >> 1) ^ (~(value & 1));
return (int) value;
unsigned char b = readByte(input);
int32_t value = b & 0x7F;
if (b & 0x80) {
b = readByte(input);
value |= (b & 0x7F) << 7;
if (b & 0x80) {
b = readByte(input);
value |= (b & 0x7F) << 14;
if (b & 0x80) {
b = readByte(input);
value |= (b & 0x7F) << 21;
if (b & 0x80) value |= (readByte(input) & 0x7F) << 28;
}
}
}
if (!optimizePositive) value = (((unsigned int) value >> 1) ^ -(value & 1));
return value;
}
float readFloat(_dataInput *input) {
@ -1031,9 +1030,10 @@ spAttachment *spSkeletonBinary_readAttachment(spSkeletonBinary *self, _dataInput
{
spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name,
path, sequence);
spRegionAttachment *region = NULL;
if (!attachment)
return NULL;
spRegionAttachment *region = SUB_CAST(spRegionAttachment, attachment);
region = SUB_CAST(spRegionAttachment, attachment);
region->path = path;
region->rotation = rotation;
region->x = x;
@ -1053,9 +1053,10 @@ spAttachment *spSkeletonBinary_readAttachment(spSkeletonBinary *self, _dataInput
int vertexCount = readVarint(input, 1);
spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, 0,
NULL);
spVertexAttachment *vertexAttachment = NULL;
if (!attachment)
return NULL;
spVertexAttachment *vertexAttachment = SUB_CAST(spVertexAttachment, attachment);
vertexAttachment = SUB_CAST(spVertexAttachment, attachment);
_readVertices(self, input, &vertexAttachment->bonesCount, &vertexAttachment->bones,
&vertexAttachment->verticesCount, &vertexAttachment->vertices,
&vertexAttachment->worldVerticesLength, vertexCount);
@ -1106,9 +1107,10 @@ spAttachment *spSkeletonBinary_readAttachment(spSkeletonBinary *self, _dataInput
{
spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, path, sequence);
spMeshAttachment *mesh = NULL;
if (!attachment)
return NULL;
spMeshAttachment *mesh = SUB_CAST(spMeshAttachment, attachment);
mesh = SUB_CAST(spMeshAttachment, attachment);
mesh->path = path;
spColor_setFromColor(&mesh->color, &color);
mesh->regionUVs = regionUVs;
@ -1157,9 +1159,10 @@ spAttachment *spSkeletonBinary_readAttachment(spSkeletonBinary *self, _dataInput
{
spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, path, sequence);
spMeshAttachment *mesh = NULL;
if (!attachment)
return NULL;
spMeshAttachment *mesh = SUB_CAST(spMeshAttachment, attachment);
mesh = SUB_CAST(spMeshAttachment, attachment);
mesh->path = path;
spColor_setFromColor(&mesh->color, &color);
mesh->sequence = sequence;
@ -1172,11 +1175,13 @@ spAttachment *spSkeletonBinary_readAttachment(spSkeletonBinary *self, _dataInput
case SP_ATTACHMENT_PATH: {
spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, 0,
NULL);
spPathAttachment *path = NULL;
spVertexAttachment *vertexAttachment = NULL;
int vertexCount = 0;
if (!attachment)
return NULL;
spPathAttachment *path = SUB_CAST(spPathAttachment, attachment);
spVertexAttachment *vertexAttachment = SUPER(path);
int vertexCount = 0;
path = SUB_CAST(spPathAttachment, attachment);
vertexAttachment = SUPER(path);
path->closed = readBoolean(input);
path->constantSpeed = readBoolean(input);
vertexCount = readVarint(input, 1);
@ -1197,9 +1202,10 @@ spAttachment *spSkeletonBinary_readAttachment(spSkeletonBinary *self, _dataInput
case SP_ATTACHMENT_POINT: {
spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, 0,
NULL);
spPointAttachment *point = NULL;
if (!attachment)
return NULL;
spPointAttachment *point = SUB_CAST(spPointAttachment, attachment);
point = SUB_CAST(spPointAttachment, attachment);
point->rotation = readFloat(input);
point->x = 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);
spAttachment *attachment = spAttachmentLoader_createAttachment(self->attachmentLoader, skin, type, name, 0,
NULL);
spClippingAttachment *clip = NULL;
spVertexAttachment *vertexAttachment = NULL;
if (!attachment)
return NULL;
spClippingAttachment *clip = SUB_CAST(spClippingAttachment, attachment);
spVertexAttachment *vertexAttachment = SUPER(clip);
clip = SUB_CAST(spClippingAttachment, attachment);
vertexAttachment = SUPER(clip);
_readVertices(self, input, &vertexAttachment->bonesCount, &vertexAttachment->bones,
&vertexAttachment->verticesCount, &vertexAttachment->vertices,
&vertexAttachment->worldVerticesLength, vertexCount);