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trimesh_desc_concat

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mid 2025-02-09 22:24:21 +02:00
parent 2bf947018c
commit fff7690222
1 changed files with 64 additions and 0 deletions
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64
src/luaapi.c
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@ -2287,6 +2287,67 @@ static int dagame_net_punch(lua_State *L) {
return 0;
}
static int dagame_mdl_desc_append(lua_State *L) {
float offsetX = lua_tonumber(L, 3);
float offsetY = lua_tonumber(L, 4);
float offsetZ = lua_tonumber(L, 5);
lua_getfield(L, 1, "positions");
lua_getfield(L, 2, "positions");
lua_len(L, -2);
lua_len(L, -2);
size_t bigPositions = lua_tointeger(L, -2);
size_t smallPositions = lua_tointeger(L, -1);
lua_pop(L, 2);
for(size_t i = 1; i <= smallPositions; i += 3) {
lua_rawgeti(L, -1, i + 0);
lua_rawgeti(L, -2, i + 1);
lua_rawgeti(L, -3, i + 2);
float posX = lua_tonumber(L, -3) + offsetX;
float posY = lua_tonumber(L, -2) + offsetY;
float posZ = lua_tonumber(L, -1) + offsetZ;
lua_pop(L, 3);
lua_pushnumber(L, posX);
lua_rawseti(L, -3, bigPositions + i + 0);
lua_pushnumber(L, posY);
lua_rawseti(L, -3, bigPositions + i + 1);
lua_pushnumber(L, posZ);
lua_rawseti(L, -3, bigPositions + i + 2);
}
lua_pop(L, 2);
lua_getfield(L, 1, "indices");
lua_getfield(L, 2, "indices");
lua_len(L, -1);
size_t smallIndices = lua_tointeger(L, -1);
lua_pop(L, 1);
lua_len(L, -2);
size_t bigIndices = lua_tointeger(L, -1);
lua_pop(L, 1);
bigPositions /= 3;
for(size_t i = 1; i <= smallIndices; i++) {
lua_rawgeti(L, -1, i);
size_t j = lua_tointeger(L, -1);
lua_pop(L, 1);
lua_pushinteger(L, j + bigPositions);
lua_rawseti(L, -3, ++bigIndices);
}
lua_pop(L, 2);
return 0;
}
#include<GLFW/glfw3.h>
static int os_time(lua_State *L) {
lua_pushnumber(L, glfwGetTime() - LuaapiStartTime);
@ -2408,6 +2469,9 @@ void luaapi_init() {
lua_pushcfunction(L, dagame_mdl);
lua_setfield(L, -2, "mdl");
lua_pushcfunction(L, dagame_mdl_desc_append);
lua_setfield(L, -2, "trimesh_desc_concat");
lua_pushcfunction(L, dagame_trimesh);
lua_setfield(L, -2, "trimesh");