A game engine for top-down 2D RPG games.
rpg
game-engine
raylib
c99
Subtiles, fix animations at high FPS
+46
-38
+3
-2
include/keraforge/graphics.h
+3
-2
include/keraforge/graphics.h
···
6
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/* Number of frames since the game opened.
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-
You should only use this for animations!
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It's not consistent enough for precise timing use deltatime (kf_dts/kf_dtms) for that. */
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+
Not consistent enough for precise timing! Use deltatime (kf_dts/kf_dtms) instead. */
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extern u64 kf_frame;
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/* Number of seconds since the game opened. */
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extern f64 kf_s;
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/* Deltatime in milliseconds */
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extern f32 kf_dtms;
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/* Deltatime in seconds. */
+1
include/keraforge/world.h
+1
include/keraforge/world.h
+1
-1
src/actor.c
+1
-1
src/actor.c
+1
src/graphics.c
+1
src/graphics.c
+23
-33
src/main.c
+23
-33
src/main.c
···
1
+
#include "keraforge/input.h"
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#include <keraforge.h>
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#include <raylib.h>
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#include <raymath.h>
···
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static Camera2D cam;
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static struct kf_vec2(u32) select = { 0, 0 };
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static int selected_tile = 0;
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-
static bool selected_menu_this_frame = false;
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static enum {
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menu_none,
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menu_palette,
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-
menu_escape
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} menu;
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static int target_fps = 60;
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static kf_inputbind_t
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inputbind_move_up,
···
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inputbind_palette,
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inputbind_zoom_reset,
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inputbind_zoom_in,
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-
inputbind_zoom_out
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inputbind_zoom_out,
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inputbind_toggle_fps_limit
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;
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···
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inputbind_zoom_reset = kf_addinput("zoom_reset", KEY_ZERO, KEY_NULL, MOUSE_BUTTON_UNKNOWN, GAMEPAD_BUTTON_UNKNOWN, GAMEPAD_AXIS_UNKNOWN);
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inputbind_zoom_in = kf_addinput("zoom_in", KEY_EQUAL, KEY_NULL, MOUSE_BUTTON_UNKNOWN, GAMEPAD_BUTTON_UNKNOWN, GAMEPAD_AXIS_UNKNOWN);
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inputbind_zoom_out = kf_addinput("zoom_out", KEY_MINUS, KEY_NULL, MOUSE_BUTTON_UNKNOWN, GAMEPAD_BUTTON_UNKNOWN, GAMEPAD_AXIS_UNKNOWN);
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+
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inputbind_toggle_fps_limit = kf_addinput("toggle_fps_limit", KEY_NINE, KEY_NULL, MOUSE_BUTTON_UNKNOWN, GAMEPAD_BUTTON_UNKNOWN, GAMEPAD_AXIS_UNKNOWN);
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}
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static
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void setmenu(int m)
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{
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menu = m;
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-
selected_menu_this_frame = true;
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}
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static
···
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// SetTraceLogLevel(LOG_WARNING);
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InitWindow(800, 600, "Keraforge");
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-
SetTargetFPS(60);
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SetTargetFPS(target_fps);
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SetExitKey(KEY_NULL);
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loadbinds();
···
186
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if (!kf_exists("data/map.bin"))
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{
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printf("-> creating world\n");
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world = kf_world_new(128, 128, 1);
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world = kf_world_new(4096, 4096, 2);
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printf("-> saving world\n");
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size_t len = kf_world_getsize(world);
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printf("-> writing of %lu bytes\n", len);
···
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if (kf_checkinputpress(inputbind_palette))
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setmenu(menu_palette);
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else if (kf_checkinputpress(inputbind_cancel) && menu == menu_none)
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setmenu(menu_escape);
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+
running = 0;
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else if (kf_checkinputpress(inputbind_zoom_reset))
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cam.zoom = 2;
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else if (kf_checkinputpress(inputbind_zoom_in) && cam.zoom < 3.50f)
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cam.zoom += 0.25f;
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else if (kf_checkinputpress(inputbind_zoom_out) && cam.zoom > 1.00f)
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cam.zoom -= 0.25f;
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+
else if (kf_checkinputpress(inputbind_toggle_fps_limit))
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{
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target_fps = target_fps <= 0 ? 60 : 0;
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SetTargetFPS(target_fps);
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}
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BeginDrawing();
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ClearBackground(BLACK);
···
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player->draw(world, player);
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EndMode2D();
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-
if (selected_menu_this_frame)
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+
switch (menu)
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{
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selected_menu_this_frame = false;
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-
}
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-
else
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{
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switch (menu)
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{
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case menu_none:
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break;
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case menu_palette:
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if (kf_ui_choice("Select tile", &kf_tiles.key[0], kf_tiles.count + 1, &selected_tile))
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setmenu(menu_none);
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break;
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case menu_escape:
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{
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static int result = 1;
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if (kf_ui_yesno("Exit game?", &result))
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{
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menu = menu_none;
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if (result)
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running = 0;
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result = 1;
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}
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break;
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}
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}
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case menu_none:
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break;
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case menu_palette:
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if (kf_ui_choice("Select tile", &kf_tiles.key[0], kf_tiles.count + 1, &selected_tile))
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setmenu(menu_none);
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break;
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}
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DrawFPS(0, 0);
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DrawText(TextFormat("%f", kf_dts), 0, 20, 20, RED);
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DrawText(TextFormat("%f", kf_s), 0, 40, 20, RED);
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EndDrawing();
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kf_frame++;
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kf_dts = GetFrameTime();
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kf_dtms = kf_dts * 1000;
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+
kf_s += kf_dts;
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}
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if (world)
-1
src/math.c
-1
src/math.c
+16
-1
src/world.c
+16
-1
src/world.c
···
1
-
#include "keraforge/world.h"
2
1
#include <keraforge.h>
3
2
#include <raylib.h>
4
3
#include <stdio.h>
···
40
39
world->height = height;
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memset(world->map, 0, sizeof(struct kf_tile)*width*height);
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for (size_t i = 0 ; i < width*height ; i++)
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{
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world->map[i].subid = fill;
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world->map[i].id = fill;
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+
}
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u32 x;
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48
for (u32 y = 0 ; y < height ; y++)
···
179
181
{
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182
for (x = sx ; x < ex ; x++)
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183
{
184
+
KF_SANITY_CHECK(tile->subid <= kf_tiles.count, "erroneous subtile on map at %u,%u: %u (count=%u)", x, y, tile->subid, kf_tiles.count);
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KF_SANITY_CHECK(tile->id <= kf_tiles.count, "erroneous tile on map at %u,%u: %u (count=%u)", x, y, tile->id, kf_tiles.count);
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+
if (tile->data != 0x1111 && tile->subid) /* 0x1111: full tile, no subtile rendering needed */
187
+
{
188
+
kf_drawsprite_wh(
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+
kf_tiles.sheet[tile->subid],
190
+
x*KF_TILE_SIZE_PX,
191
+
y*KF_TILE_SIZE_PX,
192
+
KF_TILE_SIZE_PX,
193
+
KF_TILE_SIZE_PX,
194
+
kf_tiles.sprite[tile->subid].x + 2, /* 2,1 are offsets for the "middle" tile */
195
+
kf_tiles.sprite[tile->subid].y + 1
196
+
);
197
+
}
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198
if (tile->id)
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199
{
185
200
struct kf_vec2(u32) s = kf_getspritefortilebitmask(tile->data);