mirror of https://github.com/bjornbytes/lovr.git
244 lines
7.7 KiB
C
244 lines
7.7 KiB
C
#include "api.h"
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#include "graphics/material.h"
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#include "graphics/model.h"
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#include "data/modelData.h"
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#include "core/maf.h"
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#include <lua.h>
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#include <lauxlib.h>
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static uint32_t luax_checkanimation(lua_State* L, int index, Model* model) {
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switch (lua_type(L, index)) {
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case LUA_TSTRING: {
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size_t length;
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const char* name = lua_tolstring(L, index, &length);
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ModelData* modelData = lovrModelGetModelData(model);
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uint64_t animationIndex = map_get(&modelData->animationMap, hash64(name, length));
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lovrAssert(animationIndex != MAP_NIL, "Model has no animation named '%s'", name);
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return (uint32_t) animationIndex;
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}
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case LUA_TNUMBER: return lua_tointeger(L, index) - 1;
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default: return luax_typeerror(L, index, "number or string");
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}
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}
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static int l_lovrModelDraw(lua_State* L) {
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Model* model = luax_checktype(L, 1, Model);
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float transform[16];
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int index = luax_readmat4(L, 2, transform, 1);
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int instances = luaL_optinteger(L, index, 1);
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lovrModelDraw(model, transform, instances);
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return 0;
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}
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static int l_lovrModelAnimate(lua_State* L) {
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Model* model = luax_checktype(L, 1, Model);
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uint32_t animation = luax_checkanimation(L, 2, model);
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float time = luaL_checknumber(L, 3);
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float alpha = luax_optfloat(L, 4, 1.f);
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lovrModelAnimate(model, animation, time, alpha);
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return 0;
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}
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static int l_lovrModelPose(lua_State* L) {
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Model* model = luax_checktype(L, 1, Model);
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uint32_t node;
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switch (lua_type(L, 2)) {
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case LUA_TNONE:
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case LUA_TNIL:
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lovrModelResetPose(model);
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return 0;
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case LUA_TNUMBER:
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node = lua_tointeger(L, 2) - 1;
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break;
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case LUA_TSTRING: {
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size_t length;
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const char* name = lua_tolstring(L, 2, &length);
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ModelData* modelData = lovrModelGetModelData(model);
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uint64_t index = map_get(&modelData->nodeMap, hash64(name, length));
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lovrAssert(index != MAP_NIL, "Model has no node named '%s'", name);
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node = (uint32_t) index;
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break;
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}
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default:
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return luax_typeerror(L, 2, "nil, number, or string");
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}
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int index = 3;
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float position[4], rotation[4];
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index = luax_readvec3(L, index, position, NULL);
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index = luax_readquat(L, index, rotation, NULL);
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float alpha = luax_optfloat(L, index, 1.f);
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lovrModelPose(model, node, position, rotation, alpha);
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return 0;
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}
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static int l_lovrModelGetMaterial(lua_State* L) {
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Model* model = luax_checktype(L, 1, Model);
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uint32_t material;
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switch (lua_type(L, 2)) {
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case LUA_TNUMBER:
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material = lua_tointeger(L, 2) - 1;
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break;
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case LUA_TSTRING: {
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size_t length;
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const char* name = lua_tolstring(L, 2, &length);
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ModelData* modelData = lovrModelGetModelData(model);
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uint64_t index = map_get(&modelData->materialMap, hash64(name, length));
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lovrAssert(index != MAP_NIL, "Model has no material named '%s'", name);
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material = (uint32_t) index;
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break;
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}
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default:
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return luax_typeerror(L, 2, "nil, number, or string");
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}
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luax_pushtype(L, Material, lovrModelGetMaterial(model, material));
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return 1;
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}
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static int l_lovrModelGetAABB(lua_State* L) {
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Model* model = luax_checktype(L, 1, Model);
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float aabb[6];
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lovrModelGetAABB(model, aabb);
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for (int i = 0; i < 6; i++) {
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lua_pushnumber(L, aabb[i]);
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}
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return 6;
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}
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static int l_lovrModelGetTriangles(lua_State* L) {
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Model* model = luax_checktype(L, 1, Model);
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float* vertices = NULL;
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uint32_t* indices = NULL;
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uint32_t vertexCount;
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uint32_t indexCount;
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lovrModelGetTriangles(model, &vertices, &vertexCount, &indices, &indexCount);
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lua_createtable(L, vertexCount * 3, 0);
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for (uint32_t i = 0; i < vertexCount * 3; i++) {
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lua_pushnumber(L, vertices[i]);
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lua_rawseti(L, -2, i + 1);
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}
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lua_createtable(L, indexCount, 0);
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for (uint32_t i = 0; i < indexCount; i++) {
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lua_pushinteger(L, indices[i] + 1);
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lua_rawseti(L, -2, i + 1);
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}
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return 2;
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}
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static int l_lovrModelGetNodePose(lua_State* L) {
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Model* model = luax_checktype(L, 1, Model);
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uint32_t node;
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switch (lua_type(L, 2)) {
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case LUA_TNUMBER:
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node = lua_tointeger(L, 2) - 1;
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break;
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case LUA_TSTRING: {
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size_t length;
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const char* name = lua_tolstring(L, 2, &length);
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ModelData* modelData = lovrModelGetModelData(model);
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uint64_t index = map_get(&modelData->nodeMap, hash64(name, length));
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lovrAssert(index != MAP_NIL, "Model has no node named '%s'", name);
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node = (uint32_t) index;
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break;
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}
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default:
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return luax_typeerror(L, 2, "number or string");
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}
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float position[4], rotation[4], angle, ax, ay, az;
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CoordinateSpace space = luax_checkenum(L, 3, CoordinateSpace, "global");
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lovrModelGetNodePose(model, node, position, rotation, space);
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lua_pushnumber(L, position[0]);
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lua_pushnumber(L, position[1]);
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lua_pushnumber(L, position[2]);
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quat_getAngleAxis(rotation, &angle, &ax, &ay, &az);
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lua_pushnumber(L, angle);
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lua_pushnumber(L, ax);
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lua_pushnumber(L, ay);
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lua_pushnumber(L, az);
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return 7;
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}
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static int l_lovrModelGetAnimationName(lua_State* L) {
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Model* model = luax_checktype(L, 1, Model);
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uint32_t index = luaL_checkinteger(L, 2);
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ModelData* modelData = lovrModelGetModelData(model);
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lovrAssert(index > 0 && index <= modelData->animationCount, "Model has no animation at index %d", index);
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lua_pushstring(L, modelData->animations[index - 1].name);
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return 1;
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}
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static int l_lovrModelGetMaterialName(lua_State* L) {
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Model* model = luax_checktype(L, 1, Model);
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uint32_t index = luaL_checkinteger(L, 2);
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ModelData* modelData = lovrModelGetModelData(model);
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lovrAssert(index > 0 && index <= modelData->materialCount, "Model has no material at index %d", index);
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lua_pushstring(L, modelData->materials[index - 1].name);
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return 1;
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}
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static int l_lovrModelGetNodeName(lua_State* L) {
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Model* model = luax_checktype(L, 1, Model);
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uint32_t index = luaL_checkinteger(L, 2);
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ModelData* modelData = lovrModelGetModelData(model);
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lovrAssert(index > 0 && index <= modelData->nodeCount, "Model has no node at index %d", index);
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lua_pushstring(L, modelData->nodes[index - 1].name);
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return 1;
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}
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static int l_lovrModelGetAnimationCount(lua_State* L) {
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Model* model = luax_checktype(L, 1, Model);
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lua_pushinteger(L, lovrModelGetModelData(model)->animationCount);
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return 1;
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}
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static int l_lovrModelGetMaterialCount(lua_State* L) {
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Model* model = luax_checktype(L, 1, Model);
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lua_pushinteger(L, lovrModelGetModelData(model)->materialCount);
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return 1;
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}
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static int l_lovrModelGetNodeCount(lua_State* L) {
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Model* model = luax_checktype(L, 1, Model);
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lua_pushinteger(L, lovrModelGetModelData(model)->nodeCount);
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return 1;
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}
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static int l_lovrModelGetAnimationDuration(lua_State* L) {
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Model* model = luax_checktype(L, 1, Model);
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uint32_t animation = luax_checkanimation(L, 2, model);
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lua_pushnumber(L, lovrModelGetModelData(model)->animations[animation].duration);
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return 1;
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}
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static int l_lovrModelHasJoints(lua_State* L) {
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Model* model = luax_checktype(L, 1, Model);
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lua_pushboolean(L, lovrModelGetModelData(model)->skinCount > 0);
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return 1;
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}
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const luaL_Reg lovrModel[] = {
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{ "draw", l_lovrModelDraw },
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{ "animate", l_lovrModelAnimate },
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{ "pose", l_lovrModelPose },
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{ "getMaterial", l_lovrModelGetMaterial },
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{ "getAABB", l_lovrModelGetAABB },
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{ "getTriangles", l_lovrModelGetTriangles },
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{ "getNodePose", l_lovrModelGetNodePose },
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{ "getAnimationName", l_lovrModelGetAnimationName },
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{ "getMaterialName", l_lovrModelGetMaterialName },
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{ "getNodeName", l_lovrModelGetNodeName },
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{ "getAnimationCount", l_lovrModelGetAnimationCount },
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{ "getMaterialCount", l_lovrModelGetMaterialCount },
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{ "getNodeCount", l_lovrModelGetNodeCount },
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{ "getAnimationDuration", l_lovrModelGetAnimationDuration },
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{ "hasJoints", l_lovrModelHasJoints },
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{ NULL, NULL }
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};
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