remove stdbool dependency + destroy count tweak
parent
01d1848b11
commit
25cdbf7d09
138
src/Silkworm2.c
138
src/Silkworm2.c
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@ -89,12 +89,12 @@ typedef struct Silkworm_Node
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float mass;
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float friction;
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float radius;
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bool pinned;
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uint8_t pinned;
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float pushFactor;
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float windFactor;
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bool destroyable;
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uint8_t destroyable;
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bool markedForDestroy; /* mutual recursion on nodes/links so this makes it easier to track destroys */
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uint8_t markedForDestroy; /* mutual recursion on nodes/links so this makes it easier to track destroys */
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Silkworm_Link** links;
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uint32_t linkCount;
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@ -110,7 +110,7 @@ struct Silkworm_Link
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float distance;
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float tearThreshold;
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bool markedForDestroy; /* mutual recursion on nodes/links so this makes it easier to track destroys */
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uint8_t markedForDestroy; /* mutual recursion on nodes/links so this makes it easier to track destroys */
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};
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typedef enum Silkworm_ClothTriangleOrientation
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@ -192,7 +192,7 @@ static inline void NodeTriangleHashTable_Insert(
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uint32_t i;
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uint64_t hashcode = NodeTriangleHashTable_GetHashCode(key);
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NodeTriangleHashArray* arr = &table->buckets[hashcode % NUM_NODE_TRIANGLE_HASH_BUCKETS];
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bool foundKey = false;
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uint8_t foundKey = 0;
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for (i = 0; i < arr->count; i += 1)
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{
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@ -201,7 +201,7 @@ static inline void NodeTriangleHashTable_Insert(
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arr->elements[i].indexArray = Silkworm_realloc(arr->elements[i].indexArray, sizeof(uint32_t) * (arr->elements[i].indexArrayCount + 1));
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arr->elements[i].indexArray[arr->elements[i].indexArrayCount] = index;
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arr->elements[i].indexArrayCount += 1;
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foundKey = true;
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foundKey = 1;
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break;
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}
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}
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@ -274,7 +274,7 @@ static inline void LinkTriangleHashTable_Insert(
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uint32_t i;
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uint64_t hashcode = LinkTriangleHashTable_GetHashCode(key);
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LinkTriangleHashArray* arr = &table->buckets[hashcode % NUM_LINK_TRIANGLE_HASH_BUCKETS];
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bool foundKey = false;
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uint8_t foundKey = 0;
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for (i = 0; i < arr->count; i += 1)
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{
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@ -283,7 +283,7 @@ static inline void LinkTriangleHashTable_Insert(
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arr->elements[i].indexArray = Silkworm_realloc(arr->elements[i].indexArray, sizeof(uint32_t) * (arr->elements[i].indexArrayCount + 1));
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arr->elements[i].indexArray[arr->elements[i].indexArrayCount] = index;
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arr->elements[i].indexArrayCount += 1;
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foundKey = true;
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foundKey = 1;
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break;
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}
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}
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@ -363,14 +363,9 @@ typedef struct Silkworm_Context
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float timeElapsed;
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/* keep track of these so can do callbacks */
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Silkworm_Vector2* nodeDestructionData;
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uint32_t nodeDestructionDataCount;
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uint32_t nodeDestructionDataCapacity;
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Silkworm_Vector2* linkDestructionData;
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uint32_t linkDestructionDataCount;
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uint32_t linkDestructionDataCapacity;
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/* keep track of these so we can query */
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uint32_t destroyedNodeCount;
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uint32_t destroyedLinkCount;
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Silkworm_Vertex* vertexBuffer;
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uint32_t vertexCapacity;
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@ -411,13 +406,8 @@ void Silkworm_Init()
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context->clothDensity = 4;
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context->timeElapsed = 0;
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context->nodeDestructionDataCapacity = 16;
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context->nodeDestructionData = Silkworm_malloc(sizeof(Silkworm_Vector2) * context->nodeDestructionDataCapacity);
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context->nodeDestructionDataCount = 0;
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context->linkDestructionDataCapacity = 16;
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context->linkDestructionData = Silkworm_malloc(sizeof(Silkworm_Vector2) * context->nodeDestructionDataCapacity);
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context->linkDestructionDataCount = 0;
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context->destroyedNodeCount = 0;
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context->destroyedLinkCount = 0;
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context->vertexCapacity = 1024;
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context->vertexBuffer = Silkworm_malloc(sizeof(Silkworm_Vertex) * context->vertexCapacity);
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@ -440,40 +430,39 @@ static inline Silkworm_Cloth* LookupCloth(uint64_t clothId)
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/* we defer actual destruction to Update to avoid issues with NULL */
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void Silkworm_DestroyNode(void* nodePtr)
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static void Silkworm_Internal_DestroyNode(void* nodePtr, uint8_t incrementDestroyCount)
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{
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uint32_t i;
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Silkworm_Node* node = (Silkworm_Node*) nodePtr;
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if (node != NULL)
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{
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node->markedForDestroy = true;
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node->markedForDestroy = 1;
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if (incrementDestroyCount)
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{
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context->destroyedNodeCount += 1;
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}
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for (i = 0; i < node->linkCount; i += 1)
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{
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if (node->links[i] != NULL)
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{
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node->links[i]->markedForDestroy = true;
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node->links[i]->markedForDestroy = 1;
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}
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}
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}
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}
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void Silkworm_DestroyNode(void* nodePtr)
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{
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Silkworm_Internal_DestroyNode(nodePtr, 0);
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}
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void Silkworm_DestroyLink(Silkworm_Link* link)
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{
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link->markedForDestroy = true;
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if (context->linkDestructionDataCount >= context->linkDestructionDataCapacity)
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{
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context->linkDestructionDataCapacity *= 2;
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context->linkDestructionData = Silkworm_realloc(context->linkDestructionData, sizeof(Silkworm_Vector2) * context->linkDestructionDataCapacity);
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}
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Silkworm_Vector2 position;
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position.x = (link->a->position.x + link->b->position.x) / 2;
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position.y = (link->a->position.y + link->b->position.y) / 2;
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context->linkDestructionData[context->linkDestructionDataCount] = position;
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context->linkDestructionDataCount += 1;
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link->markedForDestroy = 1;
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context->destroyedLinkCount += 1;
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}
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void Silkworm_ClothDestroy(void* clothPtr)
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@ -518,7 +507,7 @@ void Silkworm_ClothDestroy(void* clothPtr)
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if (node != NULL)
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{
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Silkworm_DestroyNode(node);
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Silkworm_Internal_DestroyNode(node, 0);
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}
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}
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Silkworm_free(cloth->nodes[i]);
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@ -659,8 +648,8 @@ void Silkworm_Update(float delta, float windSpeedX, float windSpeedY)
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Silkworm_Link *link;
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Silkworm_Node *node;
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context->nodeDestructionDataCount = 0;
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context->linkDestructionDataCount = 0;
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context->destroyedNodeCount = 0;
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context->destroyedLinkCount = 0;
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// apply wind
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for (i = 0; i < context->nodeCount; i += 1)
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@ -747,7 +736,7 @@ void Silkworm_Update(float delta, float windSpeedX, float windSpeedY)
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if (Silkworm_fabs(node->position.x) > context->xBound || Silkworm_fabs(node->position.x) > context->yBound)
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{
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Silkworm_DestroyNode(node);
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Silkworm_Internal_DestroyNode(node, 0);
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}
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}
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}
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@ -792,9 +781,9 @@ void* Silkworm_CreateNode(Silkworm_NodeCreateInfo* nodeCreateInfo)
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node->radius = (float) nodeCreateInfo->radius;
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node->pushFactor = (float) nodeCreateInfo->pushFactor;
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node->windFactor = (float) nodeCreateInfo->windFactor;
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node->pinned = false;
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node->destroyable = false;
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node->markedForDestroy = false;
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node->pinned = 0;
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node->destroyable = 0;
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node->markedForDestroy = 0;
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node->links = NULL;
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node->linkCount = 0;
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@ -807,7 +796,7 @@ void Silkworm_ClothNodePin(void* clothPtr, uint32_t i, uint32_t j)
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Silkworm_Node* node = cloth->nodes[i][j];
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if (node != NULL)
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{
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node->pinned = true;
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node->pinned = 1;
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}
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}
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@ -817,7 +806,7 @@ void Silkworm_ClothNodeUnpin(void* clothPtr, uint32_t i, uint32_t j)
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Silkworm_Node* node = cloth->nodes[i][j];
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if (node != NULL)
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{
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node->pinned = false;
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node->pinned = 0;
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}
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}
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@ -827,7 +816,7 @@ void Silkworm_ClothNodeDestroy(void* clothPtr, uint32_t i, uint32_t j)
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Silkworm_Node* node = cloth->nodes[i][j];
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if (node != NULL)
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{
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Silkworm_DestroyNode(node);
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Silkworm_Internal_DestroyNode(node, 0);
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}
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}
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@ -860,7 +849,7 @@ void* Silkworm_CreateLink(void* nodeAPtr, void* nodeBPtr, float distance, float
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link->b = nodeB;
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link->distance = (float)distance;
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link->tearThreshold = (float)tearThreshold;
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link->markedForDestroy = false;
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link->markedForDestroy = 0;
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link->a->links = Silkworm_realloc(link->a->links, sizeof(Silkworm_Link*) * (link->a->linkCount + 1));
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link->a->links[link->a->linkCount] = link;
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@ -925,10 +914,10 @@ void* Silkworm_ClothCreate(Silkworm_ClothCreateInfo* clothCreateInfo)
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{
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nodeCreateInfo.x = clothCreateInfo->x + i * context->clothDensity;
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nodeCreateInfo.y = clothCreateInfo->y + j * context->clothDensity;
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nodeCreateInfo.destroyable = true;
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nodeCreateInfo.destroyable = 1;
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nodeCreateInfo.friction = clothCreateInfo->friction;
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nodeCreateInfo.mass = clothCreateInfo->mass;
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nodeCreateInfo.pinned = false;
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nodeCreateInfo.pinned = 0;
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nodeCreateInfo.pushFactor = 1;
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nodeCreateInfo.radius = 1;
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nodeCreateInfo.windFactor = clothCreateInfo->windFactor;
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@ -937,7 +926,7 @@ void* Silkworm_ClothCreate(Silkworm_ClothCreateInfo* clothCreateInfo)
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cloth->nodes[i][j] = node;
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node->destroyable = true;
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node->destroyable = 1;
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node->clothReference.clothId = cloth->id;
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node->clothReference.horizontalIndex = i;
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@ -1202,7 +1191,7 @@ void Silkworm_PinNodesInRadius(float x, float y, float radius)
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if (squareDistance <= radius * radius)
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{
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node->pinned = true;
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node->pinned = 1;
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}
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}
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}
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@ -1227,7 +1216,7 @@ void Silkworm_UnpinNodesInRadius(float x, float y, float radius)
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if (squareDistance <= radius * radius)
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{
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node->pinned = false;
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node->pinned = 0;
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}
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}
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}
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@ -1252,17 +1241,7 @@ void Silkworm_DestroyNodesInRadius(float x, float y, float radius)
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if (squareDistance <= radius * radius)
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{
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Silkworm_DestroyNode(node);
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if (context->nodeDestructionDataCount >= context->nodeDestructionDataCapacity)
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{
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context->nodeDestructionDataCapacity *= 2;
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context->nodeDestructionData = Silkworm_realloc(context->nodeDestructionData, sizeof(Silkworm_Vector2) * context->nodeDestructionDataCapacity);
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}
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context->nodeDestructionData[context->nodeDestructionDataCount] = node->position;
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context->nodeDestructionDataCount += 1;
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Silkworm_Internal_DestroyNode(node, 1);
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}
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}
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}
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@ -1288,20 +1267,20 @@ void Silkworm_DestroyNodesInRectangle(Silkworm_Rectangle* rectangle)
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node->position.y >= rectangle->y &&
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node->position.y <= rectangle->y + rectangle->h
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) {
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Silkworm_DestroyNode(node);
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Silkworm_Internal_DestroyNode(node, 1);
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}
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}
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}
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}
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if (context->nodeDestructionDataCount >= context->nodeDestructionDataCapacity)
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{
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context->nodeDestructionDataCapacity *= 2;
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context->nodeDestructionData = Silkworm_realloc(context->nodeDestructionData, sizeof(Silkworm_Vector2) * context->nodeDestructionDataCapacity);
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uint32_t Silkworm_DestroyedNodeCount()
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{
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return context->destroyedNodeCount;
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}
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}
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context->nodeDestructionData[context->nodeDestructionDataCount] = node->position;
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context->nodeDestructionDataCount += 1;
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}
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}
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}
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uint32_t Silkworm_DestroyedLinkCount()
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{
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return context->destroyedLinkCount;
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}
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void* Silkworm_FindClothInRadius(float x, float y, float radius)
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@ -1365,9 +1344,6 @@ void Silkworm_Finish()
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Silkworm_free(context->linkIndexStack);
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Silkworm_free(context->clothIndexStack);
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Silkworm_free(context->nodeDestructionData);
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Silkworm_free(context->linkDestructionData);
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Silkworm_free(context->vertexBuffer);
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Silkworm_free(context);
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@ -27,8 +27,6 @@
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#ifndef SILKWORM_H
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#define SILKWORM_H
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#include <math.h>
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#include <stdbool.h>
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#include <stdint.h>
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#ifdef _WIN32
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@ -63,10 +61,10 @@ typedef struct Silkworm_NodeCreateInfo
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float mass;
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float friction;
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float radius;
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bool pinned;
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uint8_t pinned;
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float pushFactor;
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float windFactor;
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bool destroyable;
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uint8_t destroyable;
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} Silkworm_NodeCreateInfo;
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typedef struct Silkworm_ClothCreateInfo
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@ -126,6 +124,9 @@ SILKWORMAPI void* Silkworm_FindClothInRadius(float x, float y, float radius);
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SILKWORMAPI void Silkworm_DestroyNodesInRadius(float x, float y, float radius);
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SILKWORMAPI void Silkworm_DestroyNodesInRectangle(Silkworm_Rectangle* rectangle);
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SILKWORMAPI uint32_t Silkworm_DestroyedNodeCount();
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SILKWORMAPI uint32_t Silkworm_DestroyedLinkCount();
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SILKWORMAPI void Silkworm_PerformDestroys();
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SILKWORMAPI void Silkworm_ClearAll();
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SILKWORMAPI void Silkworm_Finish();
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