70 lines
2.9 KiB
C
70 lines
2.9 KiB
C
#pragma once
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#include "box_common.h"
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#include "toy_literal_dictionary.h"
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#include "toy_interpreter.h"
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#define OPAQUE_TAG_ENGINE_NODE 1001
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//forward declare
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typedef struct Box_private_engineNode Box_EngineNode;
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// typedef void (*EngineNodeCallback)(void*);
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//the node object, which forms a tree
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typedef struct Box_private_engineNode {
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//function for releasing memory NOTE: removed, because it's not needed with only 1 node type - I've left them commented out because I might need them soon
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// EngineNodeCallback freeMemory;
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//toy functions, stored in a dict for flexibility
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Toy_LiteralDictionary* functions;
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//point to the parent
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Box_EngineNode* parent;
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//my opaque type tag
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int tag;
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//use Toy's memory model
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Box_EngineNode** children;
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int capacity;
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int count; //includes tombstones
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int childCount;
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//rendering-specific features
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SDL_Texture* texture;
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SDL_Rect rect;
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int frames;
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int currentFrame;
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} Box_EngineNode; //TODO: rename this?
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BOX_API void Box_initEngineNode(Box_EngineNode* node, Toy_Interpreter* interpreter, const unsigned char* tb, size_t size); //run bytecode, then grab all top-level function literals
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BOX_API void Box_pushEngineNode(Box_EngineNode* node, Box_EngineNode* child); //push to the array (prune tombstones when expanding/copying)
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BOX_API void Box_freeEngineNode(Box_EngineNode* node); //free this node and all children
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BOX_API Box_EngineNode* Box_getChildEngineNode(Box_EngineNode* node, int index);
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BOX_API void Box_freeChildEngineNode(Box_EngineNode* node, int index);
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BOX_API Toy_Literal Box_callEngineNodeLiteral(Box_EngineNode* node, Toy_Interpreter* interpreter, Toy_Literal key, Toy_LiteralArray* args);
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BOX_API Toy_Literal Box_callEngineNode(Box_EngineNode* node, Toy_Interpreter* interpreter, const char* fnName, Toy_LiteralArray* args); //call "fnName" on this node, and only this node, if it exists
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//for calling various lifecycle functions
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BOX_API void Box_callRecursiveEngineNodeLiteral(Box_EngineNode* node, Toy_Interpreter* interpreter, Toy_Literal key, Toy_LiteralArray* args);
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BOX_API void Box_callRecursiveEngineNode(Box_EngineNode* node, Toy_Interpreter* interpreter, const char* fnName, Toy_LiteralArray* args); //call "fnName" on this node, and all children, if it exists
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BOX_API int Box_getChildCountEngineNode(Box_EngineNode* node);
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BOX_API int Box_loadTextureEngineNode(Box_EngineNode* node, const char* fname);
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BOX_API void Box_freeTextureEngineNode(Box_EngineNode* node);
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BOX_API void Box_setRectEngineNode(Box_EngineNode* node, SDL_Rect rect);
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BOX_API SDL_Rect Box_getRectEngineNode(Box_EngineNode* node);
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BOX_API void Box_setFramesEngineNode(Box_EngineNode* node, int frames);
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BOX_API int Box_getFramesEngineNode(Box_EngineNode* node);
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BOX_API void Box_setCurrentFrameEngineNode(Box_EngineNode* node, int currentFrame);
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BOX_API int Box_getCurrentFrameEngineNode(Box_EngineNode* node);
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BOX_API void Box_incrementCurrentFrame(Box_EngineNode* node);
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BOX_API void Box_drawEngineNode(Box_EngineNode* node, SDL_Rect dest);
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