commit twrice a week

CMakeLists.txt

@@ -10,6 +10,9 @@ include_directories(inc)
 set(SOURCES
 	src/main.c
 	src/lzy.c
+	src/input.c
+	src/player.c
+	src/level.c
 )
 
 set(ASSETS

Makefile

@@ -1,23 +1,27 @@
 CC ?= gcc
-CFLAGS = -std=c99 -Wall -Wextra -O3 -I./inc -MMD $(shell sdl2-config --cflags)
+CFLAGS = -std=c99 -Wall -Wextra -Os -I./inc -MMD $(shell sdl2-config --cflags)
 LDFLAGS = -lSDL2 -lSDL2_image -lSDL2_mixer $(shell sdl2-config --libs)
 
 OBJ_NAME = wehfou
 OBJS := $(patsubst %.c,%.o,$(wildcard src/*.c))
+LVLS_BIN = inc/levels_bin.h
+LVLS := $(wildcard res/*.kble)
 
-all: $(OBJ_NAME)
+all: $(LVLS_BIN) $(OBJ_NAME)
 
 $(OBJ_NAME): $(OBJS)
 	$(CC) $(LDFLAGS) $(LIBRARIES) -o $(OBJ_NAME) $(OBJS)
-	strip $(OBJ_NAME)
 
 %.o: %.c
 	$(CC) $(CFLAGS) -c -o $@ $<
 
-cg:
+$(LVLS_BIN): $(LVLS)
+	cembed -o $(LVLS_BIN) -t levels $(LVLS)
+
+cg: $(LVLS_BIN)
 	fxsdk build-cg
 
-run: $(OBJ_NAME)
+run: all
 	./$(OBJ_NAME)
 
 format:
@@ -26,7 +30,7 @@ format:
 
 clean:
 	rm -f $(OBJ_NAME).g3a $(OBJ_NAME)
-	rm -f $(OBJS) src/*.d
+	rm -f $(LVLS_BIN) $(OBJS) src/*.d
 	rm -Rf build-cg
 
 .PHONY: cg run run-txt format clean

inc/conf.h

@@ -4,3 +4,5 @@
 #define CHR_HEIGHT     16
 #define DISPLAY_WIDTH  400
 #define DISPLAY_HEIGHT 224
+#define TSET_LINE      13
+#define TILE_SIZE      16

inc/input.h

@@ -0,0 +1,10 @@
+#pragma once
+
+enum Key { K_LEFT, K_RIGHT, K_UP, K_DOWN, K_O, K_X };
+
+enum KeyState { KS_UP, KS_DOWN, KS_PRESSED };
+
+void input_update(void);
+int input_up(unsigned int);
+int input_down(unsigned int);
+int input_pressed(unsigned int);

inc/level.h

@@ -0,0 +1,5 @@
+#pragma once
+
+void level_deinit(void);
+void level_load(int id);
+void level_find(int tile, int *x, int *y);

inc/player.h

@@ -1,6 +1,7 @@
 #pragma once
 
 void player_init(float x, float y);
+void player_update(void);
 void player_draw(void);
 
 #define PLAYER_WIDTH  12

sle.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+# https://sr.ht/~kikoodx/sle
+sle -tile-width 16 -tile-height 16 -level-width 25 -level-height 14 \
+-editor-width 400 -editor-height 224 -editor-off-x 0 -editor-off-y 0 \
+-editor-bg-color '#000000' -picker-bg-color '#000005' \
+-tileset res/tset.png $@

src/input.c

@@ -0,0 +1,38 @@
+#include "input.h"
+#include "lzy.h"
+
+static const unsigned int keys[6] = {LZYK_LEFT, LZYK_RIGHT, LZYK_UP,
+                                     LZYK_DOWN, LZYK_O,     LZYK_X};
+static int states[6] = {0};
+
+void input_update(void)
+{
+	int i = 6;
+	while (i-- > 0)
+		if (LZY_KeyDown(keys[i]))
+			states[i] =
+			    (states[i] == KS_UP) ? (KS_PRESSED) : (KS_DOWN);
+		else
+			states[i] = KS_UP;
+}
+
+int input_up(unsigned int k)
+{
+	if (k >= 6)
+		return 0;
+	return states[k] == KS_UP;
+}
+
+int input_down(unsigned int k)
+{
+	if (k >= 6)
+		return 0;
+	return states[k] == KS_DOWN;
+}
+
+int input_pressed(unsigned int k)
+{
+	if (k >= 6)
+		return 0;
+	return states[k] == KS_PRESSED;
+}

src/level.c

@@ -0,0 +1,48 @@
+#include "level.h"
+#include "conf.h"
+#include "levels_bin.h"
+#include "lzy.h"
+#include "player.h"
+#include <stdint.h>
+#include <stdlib.h>
+
+static int width, height, id;
+static uint8_t *data = NULL;
+
+void level_deinit(void)
+{
+	if (data != NULL) {
+		free(data);
+		data = NULL;
+	}
+}
+
+void level_load(int nid)
+{
+	const uint8_t *const s = levels[nid].data;
+
+	width = s[3];
+	height = s[5];
+	data = calloc(width * height, sizeof(uint8_t));
+	id = nid;
+
+	for (int i = 0; i < width * height; i++)
+		data[i] = s[6 + i];
+
+	int px = 0, py = 0;
+	level_find(2, &px, &py);
+	player_init(px, py);
+}
+
+void level_find(int tile, int *x, int *y)
+{
+	for (int i = 0; i < width * height; i++) {
+		if (data[i] == tile) {
+			if (x != NULL)
+				*x = i % width * TILE_SIZE;
+			if (y != NULL)
+				*y = i % height * TILE_SIZE;
+			return;
+		}
+	}
+}

src/lzy.c

@@ -7,4 +7,5 @@
 #define LZY_DISPLAY_WIDTH  DISPLAY_WIDTH
 #define LZY_DISPLAY_HEIGHT DISPLAY_HEIGHT
 #define LZY_FIRST_CHR      ' '
+#define LZY_TILE_SIZE      TILE_SIZE
 #include "lzy.h"

src/main.c

@@ -1,50 +1,44 @@
 #include "conf.h"
+#include "input.h"
+#include "level.h"
 #include "lzy.h"
+#include "player.h"
 
-int main(int argc, const char **argv)
+static void deinit(void);
+
+int main(int argc, char **argv)
 {
-	int x = 0;
-	int y = 0;
-
-	if (LZY_Init(argc, argv, "wehfou official goty", 30, "res/tset.png",
-	             "res/font.png")) {
+	if (LZY_Init(argc, (const char **)argv, "wehfou official goty", 30,
+	             "res/tset.png", "res/font.png")) {
 		LZY_Log(LZY_GetError());
-		LZY_Quit();
+		deinit();
 		return 1;
 	}
 
+	level_load(0);
+	player_init(0, 0);
+
 	while (!LZY_ShouldQuit()) {
-		/* update */
 		LZY_CycleEvents();
+		input_update();
+		player_update();
 
-		if (LZY_KeyDown(LZYK_LEFT))
-			x -= 2;
-		if (LZY_KeyDown(LZYK_RIGHT))
-			x += 2;
-		if (LZY_KeyDown(LZYK_UP))
-			y -= 2;
-		if (LZY_KeyDown(LZYK_DOWN))
-			y += 2;
-
-		/* draw */
 		LZY_DrawBegin();
-		{
-			/* draw background */
-			LZY_DrawTileEx(0, 0, 0, 13, 7);
-			LZY_DrawTileEx(0, DISPLAY_WIDTH / 2, 0, 13, 7);
-			LZY_DrawTileEx(0, 0, DISPLAY_HEIGHT / 2, 13, 7);
-			LZY_DrawTileEx(0, DISPLAY_WIDTH / 2, DISPLAY_HEIGHT / 2,
-			               13, 7);
-
-			/* draw player */
-			if (LZY_DrawChar('s', x, y))
-				LZY_Log(LZY_GetError());
-		}
+		LZY_DrawTileEx(TSET_LINE, 0, 0, 13, 7);
+		LZY_DrawTileEx(TSET_LINE, DISPLAY_WIDTH / 2, 0, 13, 7);
+		LZY_DrawTileEx(TSET_LINE, 0, DISPLAY_HEIGHT / 2, 13, 7);
+		LZY_DrawTileEx(TSET_LINE, DISPLAY_WIDTH / 2, DISPLAY_HEIGHT / 2,
+		               13, 7);
+		player_draw();
 		LZY_DrawEnd();
 	}
 
-	LZY_Log("cya");
-	LZY_Quit();
-
+	deinit();
 	return 0;
 }
+
+static void deinit(void)
+{
+	level_deinit();
+	LZY_Quit();
+}

src/player.c

@@ -1,4 +1,5 @@
 #include "player.h"
+#include "input.h"
 #include "lzy.h"
 
 static float x, y, spd_x, spd_y;
@@ -11,8 +12,20 @@ void player_init(float nx, float ny)
 	spd_y = 0.0f;
 }
 
+void player_update(void)
+{
+	if (input_down(K_LEFT))
+		x -= 2;
+	if (input_down(K_RIGHT))
+		x += 2;
+	if (input_down(K_UP))
+		y -= 2;
+	if (input_down(K_DOWN))
+		y += 2;
+}
+
 void player_draw(void)
 {
 	LZY_DrawSetColor(255, 0, 255);
-	LZY_DrawFillRect(x, y, PLAYER_WIDTH, PLAYER_HEIGHT);
+	LZY_DrawTile(2, x, y);
 }