add cameras.look_at, player.set_camera, base:cinematic camera

res/content/base/resources.json

@@ -2,6 +2,7 @@
     "camera": [
         "first-person",
         "third-person-front",
-        "third-person-back"
+        "third-person-back",
+        "cinematic"
     ]
 }

src/logic/PlayerController.cpp

@@ -173,7 +173,11 @@ void CameraControl::update(const PlayerInput& input, float delta, Chunks* chunks
         tpCamera->dir = camera->dir;
         tpCamera->front = camera->front;
     }
-    player->currentCamera->setFov(glm::radians(settings.fov.get()));
+    if (player->currentCamera == spCamera || 
+        player->currentCamera == tpCamera ||
+        player->currentCamera == camera) {
+        player->currentCamera->setFov(glm::radians(settings.fov.get()));
+    }
 }
 
 PlayerController::PlayerController(

src/logic/scripting/lua/libcamera.cpp

@@ -4,6 +4,8 @@
 #include "../../../world/Level.hpp"
 #include "../../../window/Camera.hpp"
 
+#include <glm/ext.hpp>
+
 using namespace scripting;
 
 template<int(*getterfunc)(lua::State*, const Camera&)>
@@ -86,6 +88,15 @@ static int getter_up(lua::State* L, const Camera& camera) {
     return lua::pushvec3_arr(L, camera.up);
 }
 
+static int l_look_at(lua::State* L) {
+    size_t index = static_cast<size_t>(lua::tointeger(L, 1));
+    auto& camera = *level->cameras.at(index);
+    auto center = lua::tovec<3>(L, 2);
+    camera.rotation = glm::inverse(glm::lookAt(glm::vec3(), center-camera.position, glm::vec3(0, 1, 0)));
+    camera.updateVectors();
+    return 0;
+}
+
 const luaL_Reg cameralib [] = {
     {"index", lua::wrap<l_index>},
     {"name", lua::wrap<l_name>},
@@ -104,5 +115,6 @@ const luaL_Reg cameralib [] = {
     {"get_front", lua::wrap<l_camera_getter<getter_front>>},
     {"get_right", lua::wrap<l_camera_getter<getter_right>>},
     {"get_up", lua::wrap<l_camera_getter<getter_up>>},
+    {"look_at", lua::wrap<l_look_at>},
     {NULL, NULL}
 };

src/logic/scripting/lua/libplayer.cpp

@@ -181,6 +181,16 @@ static int l_player_set_entity(lua::State* L) {
     return 0;
 }
 
+static int l_player_set_camera(lua::State* L) {
+    auto player = get_player(L, 1);
+    if (player == nullptr) {
+        return 0;
+    }
+    size_t index = lua::tointeger(L, 2);
+    player->currentCamera = level->cameras.at(index);
+    return 0;
+}
+
 const luaL_Reg playerlib [] = {
     {"get_pos", lua::wrap<l_player_get_pos>},
     {"set_pos", lua::wrap<l_player_set_pos>},
@@ -199,5 +209,6 @@ const luaL_Reg playerlib [] = {
     {"get_spawnpoint", lua::wrap<l_player_get_spawnpoint>},
     {"get_entity", lua::wrap<l_player_get_entity>},
     {"set_entity", lua::wrap<l_player_set_entity>},
+    {"set_camera", lua::wrap<l_player_set_camera>},
     {NULL, NULL}
 };