From 4f8a1474e9c9d70c91d9e7369645f0b71d05ab14 Mon Sep 17 00:00:00 2001
From: AnonymusRaccoon <tr.tristan-roux@outlook.fr>
Date: Wed, 11 Mar 2020 17:30:03 +0100
Subject: [PATCH] Adding an option for framerate

---
 CMakeLists.txt           |  2 +-
 include/setup.h          |  3 ++
 lib/gamacon              |  2 +-
 prefabs/options.gcprefab |  4 +++
 src/framerate.c          | 67 ++++++++++++++++++++++++++++++++++++++++
 src/game_loader.c        |  2 ++
 src/main_menu.c          |  2 ++
 7 files changed, 80 insertions(+), 2 deletions(-)
 create mode 100644 src/framerate.c

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 49ba380..9a4b40e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -252,7 +252,7 @@ add_executable(My3D
         src/components/isometry/map_manager_component.c
         include/components/isometry/map_manager_component.h
         lib/gamacon/src/components/isometry/vertex_data_loader.c
-        lib/gamacon/include/vertex_data_loader.h src/toolbar.c lib/gamacon/include/callbacks.h src/selectors.c)
+        lib/gamacon/include/vertex_data_loader.h src/toolbar.c lib/gamacon/include/callbacks.h src/selectors.c src/framerate.c)
 
 add_compile_options(-W -Wall -Wextra -Wshadow)
 
diff --git a/include/setup.h b/include/setup.h
index 606312d..de33326 100644
--- a/include/setup.h
+++ b/include/setup.h
@@ -21,10 +21,13 @@ bool toggle_pause(gc_engine *engine, gc_entity *entity, gc_vector2 _);
 
 int checkbox_update(gc_scene *s, gc_entity *entity, bool checked);
 void resolution_set_text(gc_entity *entity, gc_engine *engine);
+void framerate_set_text(gc_entity *entity, gc_engine *engine);
 
 bool fullscreen(gc_engine *engine, gc_entity *entity, gc_vector2 _);
 bool resolution_down(gc_engine *engine, gc_entity *entity, gc_vector2 _);
 bool resolution_up(gc_engine *engine, gc_entity *entity, gc_vector2 _);
+bool framerate_up(gc_engine *engine, gc_entity *entity, gc_vector2 _);
+bool framerate_down(gc_engine *engine, gc_entity *entity, gc_vector2 _);
 
 bool tile_select(gc_engine *engine, gc_entity *entity, gc_vector2 _);
 bool vertex_select(gc_engine *engine, gc_entity *entity, gc_vector2 _);
diff --git a/lib/gamacon b/lib/gamacon
index e23cf1c..9becdae 160000
--- a/lib/gamacon
+++ b/lib/gamacon
@@ -1 +1 @@
-Subproject commit e23cf1c4fcb128bf11a89fdad17b00d094b4df7d
+Subproject commit 9becdaece57a97ee5706924d4a7575a2162bc86f
diff --git a/prefabs/options.gcprefab b/prefabs/options.gcprefab
index cae308a..72b21bc 100644
--- a/prefabs/options.gcprefab
+++ b/prefabs/options.gcprefab
@@ -11,6 +11,10 @@
 	<gc_entities>
 		<panel src="panel" x="50%" y="45%" width="40%" height="65%" />
 		<text text="Options" x="50%" y="25%" />
+		<text text="Framerate" x="41%" y="40%"/>
+		<button x="53%" y="40%" click="framerate_down" sprite="left" width="2%" height="4%" />
+		<text x="59%" y="40%" size="18" text_id="52" />
+		<button x="65%" y="40%" click="framerate_up" sprite="right" width="2%" height="4%" />
 		<text text="Fullscreen" x="45%" y="50%" />
 		<button x="60%" y="50%" click="fullscreen" sprite="cross" width="5%" height="%" background_id="50" />
 		<text text="Resolution" x="41%" y="60%"/>
diff --git a/src/framerate.c b/src/framerate.c
new file mode 100644
index 0000000..157d38b
--- /dev/null
+++ b/src/framerate.c
@@ -0,0 +1,67 @@
+//
+// Created by anonymus-raccoon on 3/11/20.
+//
+
+#include "entity.h"
+#include "engine.h"
+#include <malloc.h>
+#include "utility.h"
+#include "renderer.h"
+#include "systems/sfml_renderer_system.h"
+#include "limits.h"
+
+static const int framerates[] = {
+	30,
+	60,
+	120,
+	INT_MAX
+};
+
+void framerate_set_text(gc_entity *entity, gc_engine *engine)
+{
+	struct sfml_renderer_system *rend = GETSYS(engine, sfml_renderer_system);
+	struct renderer *renderer;
+	char *framerate;
+
+	if (!entity)
+		return;
+	renderer = GETCMP(entity, renderer);
+	if (!rend || !renderer || renderer->type != GC_TXTREND)
+		return;
+	framerate = tostr(rend->framerate);
+	free(((gc_text *)renderer->data)->text);
+	((gc_text *)renderer->data)->text = framerate;
+}
+
+
+bool framerate_down(gc_engine *engine, gc_entity *entity, gc_vector2 _)
+{
+	struct sfml_renderer_system *rend = GETSYS(engine, sfml_renderer_system);
+	int i = 2;
+
+	if (!rend || rend->is_fullscreen)
+		return (false);
+	while (i > 0 && framerates[i] >= rend->framerate)
+		i--;
+	sfRenderWindow_setFramerateLimit(rend->window, framerates[i]);
+	rend->framerate = framerates[i];
+	framerate_set_text(engine->scene->get_entity(engine->scene, 52), engine);
+	return (true);
+}
+
+bool framerate_up(gc_engine *engine, gc_entity *entity, gc_vector2 _)
+{
+	struct sfml_renderer_system *rend = GETSYS(engine, sfml_renderer_system);
+	int i = 0;
+
+	if (!rend || rend->is_fullscreen)
+		return (false);
+	while (framerates[i] <= rend->framerate)
+		i++;
+	if (framerates[i] == INT_MAX)
+		return (true);
+	sfRenderWindow_setFramerateLimit(rend->window, framerates[i]);
+	rend->framerate = framerates[i];
+	framerate_set_text(engine->scene->get_entity(engine->scene, 52), engine);
+	return (true);
+}
\ No newline at end of file
diff --git a/src/game_loader.c b/src/game_loader.c
index f65d64d..9d094ef 100644
--- a/src/game_loader.c
+++ b/src/game_loader.c
@@ -27,6 +27,8 @@ const struct callback callbacks[] = {
 	{"map_manage_click", &tile_interact},
 	{"resolution_down", &resolution_down},
 	{"resolution_up", &resolution_up},
+	{"framerate_up", &framerate_up},
+	{"framerate_down", &framerate_down},
 	{"absent_check", &absent_check},
 	{"absent_cross", &absent_cross},
 	{"forgot_lmfao", &forgot_lmfao},
diff --git a/src/main_menu.c b/src/main_menu.c
index 5198220..e517b09 100644
--- a/src/main_menu.c
+++ b/src/main_menu.c
@@ -36,6 +36,8 @@ bool options(gc_engine *engine, gc_entity *entity, gc_vector2 _)
 		checkbox_update(engine->scene, entity, rend->is_fullscreen);
 	entity = engine->scene->get_entity(engine->scene, 51);
 	resolution_set_text(entity, engine);
+	entity = engine->scene->get_entity(engine->scene, 52);
+	framerate_set_text(entity, engine);
 	return (true);
 }