diff options
Diffstat (limited to 'src/primitives.c')
| -rw-r--r-- | src/primitives.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/src/primitives.c b/src/primitives.c deleted file mode 100644 index d858cc6..0000000 --- a/src/primitives.c +++ /dev/null @@ -1,226 +0,0 @@ -#include "primitives.h" - -static int honey_mesh_lua_plane(lua_State* L) -{ - float width, height; - honey_lua_parse_arguments(L, 1, 2, - HONEY_NUMBER, &width, - HONEY_NUMBER, &height); - - honey_mesh* mesh = lua_newuserdata(L, sizeof(honey_mesh)); - lua_rawgeti(L, LUA_REGISTRYINDEX, honey_mesh_mt_ref); - lua_setmetatable(L, -2); - if (honey_mesh_new_textured_plane(mesh, width, height) != HONEY_OK) { - lua_pushstring(L, "error encountered while building plane"); - lua_error(L); - } - return 1; -} - -static int honey_mesh_lua_cube(lua_State* L) -{ - float width, height, depth; - honey_lua_parse_arguments(L, 1, 3, - HONEY_NUMBER, &width, - HONEY_NUMBER, &height, - HONEY_NUMBER, &depth); - - honey_mesh* mesh = lua_newuserdata(L, sizeof(honey_mesh)); - lua_rawgeti(L, LUA_REGISTRYINDEX, honey_mesh_mt_ref); - lua_setmetatable(L, -2); - if (honey_mesh_new_textured_cube(mesh, width, height, depth) != HONEY_OK) { - lua_pushstring(L, "error encountered while building plane"); - lua_error(L); - } - return 1; -} - -void honey_setup_primitives(lua_State* L) -{ - honey_lua_create_table - (L, 2, - HONEY_FUNCTION, "plane", honey_mesh_lua_plane, - HONEY_FUNCTION, "cube", honey_mesh_lua_cube); - lua_setfield(L, -2, "primitives"); -} - -/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ - -honey_result honey_mesh_new_textured_plane(honey_mesh* mesh, - float width, - float height) { - float x0 = 0; - float y0 = 0; - float x1 = width; - float y1 = height; - - float vertices[] = { - /* position normal uv */ - x0, y0, 0, 0, 0, 1, 0, 0, - x1, y0, 0, 0, 0, 1, 1, 0, - x0, y1, 0, 0, 0, 1, 0, 1, - x1, y1, 0, 0, 0, 1, 1, 1 }; - - unsigned int indices[] = { - 0, 1, 2, - 3, 2, 1 }; - - unsigned int attrib_sizes[] = { 3, 3, 2 }; - - honey_result result = honey_mesh_new(mesh, - vertices, 4, - 3, attrib_sizes, - indices, 6); - return result; -} - -/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ - -honey_result honey_mesh_new_cube(honey_mesh* mesh, - float width, - float height, - float depth) { - float x0 = 0; - float y0 = 0; - float z0 = 0; - - float x1 = width; - float y1 = height; - float z1 = depth; - - float vertices[] = { - /* position normal tex coord */ - /* back face */ - x0, y0, z0, 0, 0, -1, - x1, y0, z0, 0, 0, -1, - x0, y1, z0, 0, 0, -1, - x1, y1, z0, 0, 0, -1, - - /* front face */ - x0, y0, z1, 0, 0, 1, - x1, y0, z1, 0, 0, 1, - x0, y1, z1, 0, 0, 1, - x1, y1, z1, 0, 0, 1, - - /* left face */ - x0, y0, z0, -1, 0, 0, - x0, y1, z0, -1, 0, 0, - x0, y0, z1, -1, 0, 0, - x0, y1, z1, -1, 0, 0, - - /* right face */ - x1, y0, z0, 1, 0, 0, - x1, y1, z0, 1, 0, 0, - x1, y0, z1, 1, 0, 0, - x1, y1, z1, 1, 0, 0, - - /* bottom face */ - x0, y0, z0, 0, -1, 0, - x1, y0, z0, 0, -1, 0, - x0, y0, z1, 0, -1, 0, - x1, y0, z1, 0, -1, 0, - - /* top face */ - x0, y1, z0, 0, 1, 0, - x1, y1, z0, 0, 1, 0, - x0, y1, z1, 0, 1, 0, - x1, y1, z1, 0, 1, 0 }; - - unsigned int indices[] = { - 0, 1, 2, - 1, 2, 3, - 4, 5, 6, - 5, 6, 7, - 8, 9, 10, - 9, 10, 11, - 12, 13, 14, - 13, 14, 15, - 16, 17, 18, - 17, 18, 19, - 20, 21, 22, - 21, 22, 23 }; - - unsigned int attrib_sizes[] = { 3, 3 }; - - honey_result result = honey_mesh_new(mesh, - vertices, 24, - 2, attrib_sizes, - indices, 36); - - return result; -} - -/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ - -honey_result honey_mesh_new_textured_cube(honey_mesh* mesh, - float width, - float height, - float depth) { - float x0 = 0; - float y0 = 0; - float z0 = 0; - - float x1 = width; - float y1 = height; - float z1 = depth; - - float vertices[] = { - /* position normal tex coord */ - /* back face */ - x0, y0, z0, 0, 0, -1, 0, 0, - x1, y0, z0, 0, 0, -1, 1, 0, - x0, y1, z0, 0, 0, -1, 0, 1, - x1, y1, z0, 0, 0, -1, 1, 1, - - /* front face */ - x0, y0, z1, 0, 0, 1, 0, 0, - x1, y0, z1, 0, 0, 1, 1, 0, - x0, y1, z1, 0, 0, 1, 0, 1, - x1, y1, z1, 0, 0, 1, 1, 1, - - /* left face */ - x0, y0, z0, -1, 0, 0, 0, 0, - x0, y1, z0, -1, 0, 0, 1, 0, - x0, y0, z1, -1, 0, 0, 0, 1, - x0, y1, z1, -1, 0, 0, 1, 1, - - /* right face */ - x1, y0, z0, 1, 0, 0, 0, 0, - x1, y1, z0, 1, 0, 0, 1, 0, - x1, y0, z1, 1, 0, 0, 0, 1, - x1, y1, z1, 1, 0, 0, 1, 1, - - /* bottom face */ - x0, y0, z0, 0, -1, 0, 0, 0, - x1, y0, z0, 0, -1, 0, 1, 0, - x0, y0, z1, 0, -1, 0, 0, 1, - x1, y0, z1, 0, -1, 0, 1, 1, - - /* top face */ - x0, y1, z0, 0, 1, 0, 0, 0, - x1, y1, z0, 0, 1, 0, 1, 0, - x0, y1, z1, 0, 1, 0, 0, 1, - x1, y1, z1, 0, 1, 0, 1, 1 }; - - unsigned int indices[] = { - 0, 1, 2, - 1, 2, 3, - 4, 5, 6, - 5, 6, 7, - 8, 9, 10, - 9, 10, 11, - 12, 13, 14, - 13, 14, 15, - 16, 17, 18, - 17, 18, 19, - 20, 21, 22, - 21, 22, 23 }; - - unsigned int attrib_sizes[] = { 3, 3, 2 }; - - honey_result result; - result = honey_mesh_new(mesh, vertices, 24, - 3, attrib_sizes, - indices, 36); - return result; -} |