1 files changed, 202 insertions, 0 deletions

diff --git a/src/script/lua_api/l_camera.cpp b/src/script/lua_api/l_camera.cpp
new file mode 100644
index 000000000..862384198
--- /dev/null
+++ b/src/script/lua_api/l_camera.cpp
@@ -0,0 +1,202 @@
+#include "script/common/c_converter.h"
+#include "l_camera.h"
+#include "l_internal.h"
+#include "content_cao.h"
+#include "camera.h"
+
+LuaCamera::LuaCamera(Camera *m)
+{
+	m_camera = m;
+}
+
+void LuaCamera::create(lua_State *L, Camera *m)
+{
+	LuaCamera *o = new LuaCamera(m);
+	*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+	luaL_getmetatable(L, className);
+	lua_setmetatable(L, -2);
+
+	int camera_object = lua_gettop(L);
+
+	lua_getglobal(L, "core");
+	luaL_checktype(L, -1, LUA_TTABLE);
+	int coretable = lua_gettop(L);
+
+	lua_pushvalue(L, camera_object);
+	lua_setfield(L, coretable, "camera");
+}
+
+int LuaCamera::l_set_camera_mode(lua_State *L)
+{
+	Camera *camera = getobject(L, 1);
+	GenericCAO *playercao = getClient(L)->getEnv().getLocalPlayer()->getCAO();
+	if (!camera)
+		return 0;
+	sanity_check(playercao);
+	if (!lua_isnumber(L, 2))
+		return 0;
+
+	camera->setCameraMode((CameraMode)((int)lua_tonumber(L, 2)));
+	playercao->setVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
+	playercao->setChildrenVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
+	return 0;
+}
+
+int LuaCamera::l_get_camera_mode(lua_State *L)
+{
+	Camera *camera = getobject(L, 1);
+	if (!camera)
+		return 0;
+
+	lua_pushnumber(L, (int)camera->getCameraMode());
+
+	return 1;
+}
+
+int LuaCamera::l_get_fov(lua_State *L)
+{
+	Camera *camera = getobject(L, 1);
+	if (!camera)
+		return 0;
+
+	lua_newtable(L);
+	lua_pushnumber(L, camera->getFovX() * core::DEGTORAD);
+	lua_setfield(L, -2, "x");
+	lua_pushnumber(L, camera->getFovY() * core::DEGTORAD);
+	lua_setfield(L, -2, "y");
+	lua_pushnumber(L, camera->getCameraNode()->getFOV() * core::RADTODEG);
+	lua_setfield(L, -2, "actual");
+	lua_pushnumber(L, camera->getFovMax() * core::RADTODEG);
+	lua_setfield(L, -2, "max");
+	return 1;
+}
+
+int LuaCamera::l_get_pos(lua_State *L)
+{
+	Camera *camera = getobject(L, 1);
+	if (!camera)
+		return 0;
+
+	push_v3f(L, camera->getPosition());
+	return 1;
+}
+
+int LuaCamera::l_get_offset(lua_State *L)
+{
+	Camera *camera = getobject(L, 1);
+	if (!camera)
+		return 0;
+
+	push_v3s16(L, camera->getOffset());
+	return 1;
+}
+
+int LuaCamera::l_get_look_dir(lua_State *L)
+{
+	LocalPlayer *player = getClient(L)->getEnv().getLocalPlayer();
+	sanity_check(player);
+
+	float pitch = -1.0 * player->getPitch() * core::DEGTORAD;
+	float yaw = (player->getYaw() + 90.) * core::DEGTORAD;
+	v3f v(cos(pitch) * cos(yaw), sin(pitch), cos(pitch) * sin(yaw));
+
+	push_v3f(L, v);
+	return 1;
+}
+
+int LuaCamera::l_get_look_horizontal(lua_State *L)
+{
+	LocalPlayer *player = getClient(L)->getEnv().getLocalPlayer();
+	sanity_check(player);
+
+	lua_pushnumber(L, (player->getYaw() + 90.) * core::DEGTORAD);
+	return 1;
+}
+
+int LuaCamera::l_get_look_vertical(lua_State *L)
+{
+	LocalPlayer *player = getClient(L)->getEnv().getLocalPlayer();
+	sanity_check(player);
+
+	lua_pushnumber(L, -1.0 * player->getPitch() * core::DEGTORAD);
+	return 1;
+}
+
+int LuaCamera::l_get_aspect_ratio(lua_State *L)
+{
+	Camera *camera = getobject(L, 1);
+	if (!camera)
+		return 0;
+
+	lua_pushnumber(L, camera->getCameraNode()->getAspectRatio());
+	return 1;
+}
+
+LuaCamera *LuaCamera::checkobject(lua_State *L, int narg)
+{
+	luaL_checktype(L, narg, LUA_TUSERDATA);
+
+	void *ud = luaL_checkudata(L, narg, className);
+	if (!ud)
+		luaL_typerror(L, narg, className);
+
+	return *(LuaCamera **)ud;
+}
+
+Camera *LuaCamera::getobject(LuaCamera *ref)
+{
+	return ref->m_camera;
+}
+
+Camera *LuaCamera::getobject(lua_State *L, int narg)
+{
+	LuaCamera *ref = checkobject(L, narg);
+	assert(ref);
+	Camera *camera = getobject(ref);
+	if (!camera)
+		return NULL;
+	return camera;
+}
+
+int LuaCamera::gc_object(lua_State *L)
+{
+	LuaCamera *o = *(LuaCamera **)(lua_touserdata(L, 1));
+	delete o;
+	return 0;
+}
+
+void LuaCamera::Register(lua_State *L)
+{
+	lua_newtable(L);
+	int methodtable = lua_gettop(L);
+	luaL_newmetatable(L, className);
+	int metatable = lua_gettop(L);
+
+	lua_pushliteral(L, "__metatable");
+	lua_pushvalue(L, methodtable);
+	lua_settable(L, metatable);
+
+	lua_pushliteral(L, "__index");
+	lua_pushvalue(L, methodtable);
+	lua_settable(L, metatable);
+
+	lua_pushliteral(L, "__gc");
+	lua_pushcfunction(L, gc_object);
+	lua_settable(L, metatable);
+
+	lua_pop(L, 1);
+
+	luaL_openlib(L, 0, methods, 0);
+	lua_pop(L, 1);
+}
+
+const char LuaCamera::className[] = "Camera";
+const luaL_Reg LuaCamera::methods[] = {luamethod(LuaCamera, set_camera_mode),
+		luamethod(LuaCamera, get_camera_mode), luamethod(LuaCamera, get_fov),
+		luamethod(LuaCamera, get_pos), luamethod(LuaCamera, get_offset),
+		luamethod(LuaCamera, get_look_dir),
+		luamethod(LuaCamera, get_look_vertical),
+		luamethod(LuaCamera, get_look_horizontal),
+		luamethod(LuaCamera, get_aspect_ratio),
+
+		{0, 0}};