146 lines
4.2 KiB
C++
146 lines
4.2 KiB
C++
#pragma once
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#include <string>
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#include <squirrel.h> // Squirrel核心头文件
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#include <sqstdio.h> // Squirrel标准IO库
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#include <sqstdaux.h> // 新增：包含 sqstd_seterrorhandlers 等辅助函数
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#include <sqstdblob.h> // 新增：包含 sqstd_register_bloblib 函数
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#include <sqstdsystem.h> // 新增：包含 sqstd_register_systemlib 函数
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#include <sqstdmath.h> // 新增：包含 sqstd_register_mathlib 函数
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#include <sqstdstring.h> // 新增：包含 sqstd_register_stringlib 函数
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#include "EngineCore/Asset_ImagePack.h"
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#include "EngineCore/Game.h"
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#include <SDL2/SDL.h>
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#include <SDL2/SDL_image.h>
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#include <SDL2/SDL_ttf.h>
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// 辅助函数：检查SDL错误并抛出Squirrel异常
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static void checkSDLError(HSQUIRRELVM v)
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{
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const char *err = SDL_GetError();
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if (err && *err)
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{
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sq_throwerror(v, err);
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SDL_ClearError();
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}
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}
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// SDL_GetTicks 绑定
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static SQInteger sdl_GetTicks(HSQUIRRELVM v)
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{
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sq_pushinteger(v, SDL_GetTicks());
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return 1;
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}
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static SQInteger sdl_CreateTexture(HSQUIRRELVM v)
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{
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const SQChar *imgPath;
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SQInteger Index;
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sq_getstring(v, 2, &imgPath);
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sq_getinteger(v, 3, &Index);
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Asset_ImagePack::IMG *Info = Asset_ImagePack::GetInstance().GetIMG(imgPath);
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Asset_ImagePack::ImgInfo &Buf = Info->lp_lplist[Index];
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SDL_Texture *m_texture = SDL_CreateTexture(
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Game::GetInstance().GetRenderer(),
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SDL_PIXELFORMAT_ARGB8888, // 匹配RGBA数据格式
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SDL_TEXTUREACCESS_STREAMING,
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Buf.Width, Buf.Height);
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int pitch = Buf.Width * 4;
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SDL_UpdateTexture(m_texture, NULL, Buf.PNGdata, pitch);
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sq_pushuserpointer(v, m_texture);
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return 1;
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}
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static SQInteger sdl_DrawImg(HSQUIRRELVM v)
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{
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SQUserPointer m_texture;
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SQInteger PosX, PosY, Width, Height;
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sq_getuserpointer(v, 2, &m_texture);
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sq_getinteger(v, 3, &PosX);
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sq_getinteger(v, 4, &PosY);
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sq_getinteger(v, 5, &Width);
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sq_getinteger(v, 6, &Height);
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SDL_Rect Rect = {(int)PosX, (int)PosY, (int)Width, (int)Height};
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SDL_RenderCopy(Game::GetInstance().GetRenderer(), (SDL_Texture *)m_texture, NULL, &Rect);
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return 0;
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}
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static SQInteger sdl_DrawImgEx(HSQUIRRELVM v)
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{
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const SQChar *imgPath;
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SQInteger Index, PosX, PosY, BlendMode;
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SQFloat Rotate;
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sq_getstring(v, 2, &imgPath);
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sq_getinteger(v, 3, &Index);
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sq_getinteger(v, 4, &PosX);
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sq_getinteger(v, 5, &PosY);
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sq_getinteger(v, 6, &BlendMode);
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sq_getfloat(v, 7, &Rotate);
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Asset_ImagePack::IMG *Info = Asset_ImagePack::GetInstance().GetIMG(imgPath);
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Asset_ImagePack::ImgInfo &Buf = Info->lp_lplist[Index];
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SDL_Point pivotPoint = {
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(int)(0.5 * Buf.Width),
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(int)(0.5 * Buf.Height)};
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SDL_Texture *m_texture = SDL_CreateTexture(
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Game::GetInstance().GetRenderer(),
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SDL_PIXELFORMAT_ARGB8888, // 匹配RGBA数据格式
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SDL_TEXTUREACCESS_STREAMING,
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Buf.Width, Buf.Height);
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SDL_SetTextureBlendMode(m_texture, (SDL_BlendMode)BlendMode);
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int pitch = Buf.Width * 4;
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SDL_UpdateTexture(m_texture, NULL, Buf.PNGdata, pitch);
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SDL_Rect Rect = {(int)PosX, (int)PosY, Buf.Width, Buf.Height};
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SDL_RenderCopyEx(Game::GetInstance().GetRenderer(), m_texture, NULL, &Rect, Rotate, &pivotPoint, SDL_FLIP_NONE);
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SDL_DestroyTexture(m_texture);
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return 0;
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}
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void RegisterSDLFunctions(HSQUIRRELVM v)
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{
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// 创建SDL命名空间
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sq_pushstring(v, "SDL", -1);
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sq_newtable(v);
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// 注册SDL函数
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// 获取Ticks函数
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sq_pushstring(v, "GetTicks", -1);
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sq_newclosure(v, sdl_GetTicks, 0);
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sq_setparamscheck(v, 1, NULL);
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sq_rawset(v, -3);
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// 创建纹理
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sq_pushstring(v, "CreateTexture", -1);
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sq_newclosure(v, sdl_CreateTexture, 0);
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// sq_setparamscheck(v, 3, NULL);
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sq_rawset(v, -3);
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// 渲染一个Img
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sq_pushstring(v, "DrawImg", -1);
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sq_newclosure(v, sdl_DrawImg, 0);
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// sq_setparamscheck(v, 5, NULL);
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sq_rawset(v, -3);
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// 渲染一个ImgEx
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sq_pushstring(v, "DrawImgEx", -1);
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sq_newclosure(v, sdl_DrawImgEx, 0);
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sq_rawset(v, -3);
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// 注册SDL常量
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sq_pushstring(v, "RENDERER_ACCELERATED", -1);
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sq_pushinteger(v, SDL_RENDERER_ACCELERATED);
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sq_rawset(v, -3);
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// 将SDL表添加到全局命名空间
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sq_rawset(v, -3);
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} |