From 26fe60792c7cf8ce2abbec738786de63b75bf427 Mon Sep 17 00:00:00 2001
From: kdx <kikoodx@paranoici.org>
Date: Tue, 6 Feb 2024 22:46:57 +0100
Subject: cmyk test

---
 inc/__.h     |  1 +
 inc/color.h  |  5 +++++
 inc/game.h   |  2 +-
 map/3.tmj    |  4 ++--
 src/color.c  | 22 ++++++++++++++++++++++
 src/font.c   |  4 ++--
 src/game.c   | 14 +++++++-------
 src/main.c   | 31 +++++++++++++++++++++++++++++--
 src/player.c |  2 +-
 src/tile.c   |  2 +-
 10 files changed, 71 insertions(+), 16 deletions(-)
 create mode 100644 inc/color.h
 create mode 100644 src/color.c

diff --git a/inc/__.h b/inc/__.h
index 1c2f7f9..88b3303 100644
--- a/inc/__.h
+++ b/inc/__.h
@@ -11,3 +11,4 @@
 #include "game.h"
 #include "e.h"
 #include "font.h"
+#include "color.h"
diff --git a/inc/color.h b/inc/color.h
new file mode 100644
index 0000000..1d6deb4
--- /dev/null
+++ b/inc/color.h
@@ -0,0 +1,5 @@
+#pragma once
+void setbgcolor(float r, float g, float b);
+void setfgcolor(float r, float g, float b);
+void bgcolor();
+void fgcolor();
diff --git a/inc/game.h b/inc/game.h
index 25e1def..251abe0 100644
--- a/inc/game.h
+++ b/inc/game.h
@@ -29,7 +29,7 @@ void g_map_next();
 void g_map_restart();
 Map *g_map();
 void g_update();
-void g_draw();
+void g_draw(int x, int y);
 Entity *g_new_entity(const char *type, bool init);
 Entity *g_new_entity_t2c(const Tiled2cObject *t2c);
 Entity *g_get_entity(const char *type);
diff --git a/map/3.tmj b/map/3.tmj
index 8abb8ff..3e03789 100644
--- a/map/3.tmj
+++ b/map/3.tmj
@@ -2277,8 +2277,8 @@
          "x":0,
          "y":0
         }],
- "nextlayerid":12,
- "nextobjectid":498,
+ "nextlayerid":14,
+ "nextobjectid":504,
  "orientation":"orthogonal",
  "renderorder":"right-down",
  "tiledversion":"1.10.2",
diff --git a/src/color.c b/src/color.c
new file mode 100644
index 0000000..a7573fe
--- /dev/null
+++ b/src/color.c
@@ -0,0 +1,22 @@
+static float _fr, _fg, _fb;
+static float _br, _bg, _bb;
+
+void setfgcolor(float r, float g, float b) {
+	_fr = r;
+	_fg = g;
+	_fb = b;
+}
+
+void setbgcolor(float r, float g, float b) {
+	_br = r;
+	_bg = g;
+	_bb = b;
+}
+
+void fgcolor() {
+	TZR_DrawSetColor(_fr, _fg, _fb);
+}
+
+void bgcolor() {
+	TZR_DrawSetColor(_br, _bg, _bb);
+}
diff --git a/src/font.c b/src/font.c
index 661366d..a7a4af2 100644
--- a/src/font.c
+++ b/src/font.c
@@ -34,10 +34,10 @@ font_center(i32 x, i32 y, const char *fmt, ...)
 	va_start(va, fmt);
 	vsnprintf(buf, sizeof(buf) - 1, fmt, va);
 	va_end(va);
-	TZR_DrawSetColor(0, 0, 0);
+	bgcolor();
 	TZR_DrawRectangle(x, y,
 	                  strlen(buf) * cfg.tile_width, cfg.tile_height,
 	                  .fill=true, .center=true);
-	TZR_DrawSetColor(1, 1, 1);
+	fgcolor();
 	font_draw(buf, x - strlen(buf)*cfg.tile_width/2,y - cfg.tile_height/2);
 }
diff --git a/src/game.c b/src/game.c
index c4ff9ff..5f18fe9 100644
--- a/src/game.c
+++ b/src/game.c
@@ -53,15 +53,15 @@ void g_update() {
 	}
 }
 
-void g_draw() {
-	int x = g_map()->t2c->width * cfg.tile_width/2 - cfg.display_width/2;
-	int y = g_map()->t2c->height * cfg.tile_height/2 - cfg.display_height/2;
+void g_draw(int x, int y) {
+	int cx = g_map()->t2c->width * cfg.tile_width/2 - cfg.display_width/2;
+	int cy = g_map()->t2c->height * cfg.tile_height/2 - cfg.display_height/2;
 	if (g->shake) {
-		x += g->shake - rand() % (g->shake * 2);
-		y += g->shake - rand() % (g->shake * 2);
+		cx += g->shake - rand() % (g->shake * 2);
+		cy += g->shake - rand() % (g->shake * 2);
 	}
-	TZR_SetCamera(x, y);
-	TZR_DrawSetColor(1, 1, 1);
+	TZR_SetCamera(x + cx, y + cy);
+	fgcolor();
 	map_draw(g_map(), v2_zero());
 	PROCESS(draw_begin);
 	PROCESS(draw);
diff --git a/src/main.c b/src/main.c
index b2cc8f7..95f2628 100644
--- a/src/main.c
+++ b/src/main.c
@@ -78,10 +78,37 @@ static int _main_loop([[maybe_unused]] void *udata) {
 		return 1;
 
 	assert(TZR_DrawBegin() == 0);
-	TZR_DrawSetColor(0, 0, 0);
+	TZR_DrawSetColor(1, 1, 1);
 	TZR_DrawClear();
 
-	g_draw();
+	vec2 v = v2(cfg.tile_width, 0);
+	const f32 r = (float)(TZR_GetTick() % 768) / 256;
+
+	TZR_BlendMode(SDL_BLENDMODE_MUL);
+	{
+		setbgcolor(1, 1, 1);
+		setfgcolor(0, 0, 0);
+		g_draw(0, 0);
+	}
+	{
+		vec2 c = v2_round(v2_transform(v, m3_rotating(r / 0.1592)));
+		setbgcolor(1, 1, 1);
+		setfgcolor(0, 1, 1);
+		g_draw(c.x, c.y);
+	}
+	{
+		vec2 c = v2_round(v2_transform(v, m3_rotating((r + 0.333) / 0.1592)));
+		setbgcolor(1, 1, 1);
+		setfgcolor(1, 0, 1);
+		g_draw(c.x, c.y);
+	}
+	{
+		vec2 c = v2_round(v2_transform(v, m3_rotating((r + 0.666) / 0.1592)));
+		setbgcolor(1, 1, 1);
+		setfgcolor(1, 1, 0);
+		g_draw(c.x, c.y);
+	}
+	TZR_BlendMode(SDL_BLENDMODE_BLEND);
 
 	assert(TZR_DrawEnd() == 0);
 	return 0;
diff --git a/src/player.c b/src/player.c
index 92cbd5a..72ea1a9 100644
--- a/src/player.c
+++ b/src/player.c
@@ -100,7 +100,7 @@ UPDATE {
 }
 
 DRAW {
-	TZR_DrawSetColor(1, 1, 1);
+	fgcolor();
 	if (this->dead && this->tick / 4 % 2 == 0)
 		return;
 	TZR_DrawImage(TZR_RES("res/player.bmp"), v2_unpack(POS), .center=true);
diff --git a/src/tile.c b/src/tile.c
index 7b3d0c7..bbcddfb 100644
--- a/src/tile.c
+++ b/src/tile.c
@@ -3,7 +3,7 @@ NAME(tile);
 DRAW {
 	if (!this->tile)
 		return;
-	TZR_DrawSetColor(1, 1, 1);
+	fgcolor();
 	const auto pos = v2_sub(POS, v2(cfg.tile_width/2., cfg.tile_height/2.));
 	auto tile = this->tile;
 	if (this->flip_x)
-- 
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