From 2d74b68ac770601ef9e4d621752f9229c56cb2f3 Mon Sep 17 00:00:00 2001
From: Aleksey Veresov <aleksey@veresov.pro>
Date: Thu, 18 Feb 2021 13:50:05 +0300
Subject: Initial commit.

---
 Makefile            |  64 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 data/background.bmp | Bin 0 -> 1994550 bytes
 data/shape.bmp      | Bin 0 -> 22666 bytes
 src/main.c          |  60 ++++++++++++++++++++++++++++++++++++++++++++++++
 src/utils.c         |  10 ++++++++
 src/utils.h         |  11 +++++++++
 6 files changed, 145 insertions(+)
 create mode 100644 Makefile
 create mode 100644 data/background.bmp
 create mode 100644 data/shape.bmp
 create mode 100644 src/main.c
 create mode 100644 src/utils.c
 create mode 100644 src/utils.h

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..ede3445
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,64 @@
+# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
+#     Compilation Options
+# Debug mode [yes/no] (allowing to debug the library via gdb):
+DEBUG   ?= no
+# Specify your favourite C compiler here:
+COMPILE ?= gcc
+
+
+# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
+#     Preparations
+# Compile as ANSI C code:
+CFLAGS   = -xc -ansi -Wall
+# Debug and optimisation (as well as -static for valgrind) are not compatible:
+ifeq '$(DEBUG)' 'yes'
+CFLAGS  += -g -O0
+else
+CFLAGS  += -O3
+endif
+# Use SDL:
+LFLAGS   = -lSDL2
+
+# Directories definitions:
+BUILD    = build
+SRCDIR   = src
+# Game itself:
+GAME     = takethis
+# Determing needed object files:
+MODULES  = $(foreach x,$(notdir $(wildcard $(SRCDIR)/*.c)),$(x:.c=))
+HEADERS  = $(wildcard $(SRCDIR)/*.h)
+SRC      = $(foreach i,$(MODULES:=.c),$(SRCDIR)/$(i))
+OBJ      = $(foreach i,$(MODULES:=.o),$(BUILD)/$(i))
+# Dependency file:
+DEPS     = deps.mk
+
+
+# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
+#     Targets
+.PHONY: all clean
+
+all: $(BUILD) $(GAME)
+
+clean:
+	rm -f $(GAME) $(OBJ) $(DEPS)
+
+
+# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
+#     Compilation
+-include $(DEPS)
+
+# Packing object files into library:
+$(GAME): $(OBJ)
+	$(COMPILE) $(LFLAGS) $^ -o $@
+
+# Compile object files from corresponding source:
+$(BUILD)/%.o: $(SRCDIR)/%.c
+	$(COMPILE) $(CFLAGS) -c $< -o $@
+
+# Create build directories, if no such:
+$(BUILD):
+	mkdir -p $@
+
+# Generate dependency file, adding corresponding build prefixes:
+$(DEPS): $(SRC) $(HEADERS)
+	$(COMPILE) $(SRC) -MM | sed '/^ /!s#^#$(BUILD)/#' >$@
diff --git a/data/background.bmp b/data/background.bmp
new file mode 100644
index 0000000..f96cabe
Binary files /dev/null and b/data/background.bmp differ
diff --git a/data/shape.bmp b/data/shape.bmp
new file mode 100644
index 0000000..a59ced7
Binary files /dev/null and b/data/shape.bmp differ
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..b0c87e2
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,60 @@
+#include <SDL2/SDL.h>
+#include "utils.h"
+
+
+enum { shape_size = 16 };
+
+
+int main(int argc, char **argv)
+{
+    SDL_Window* window;
+    SDL_Renderer* renderer;
+    SDL_Texture* background;
+    SDL_Texture* shape;
+
+    SDL_Rect src;
+    SDL_Rect dst;
+
+    src.x = 0;
+    src.y = 0;
+    src.w = shape_size;
+    src.h = shape_size;
+
+    dst.x = 640 / 2 - shape_size;
+    dst.y = 480 / 2 - shape_size;
+    dst.w = shape_size * 2;
+    dst.h = shape_size * 2;
+
+    window = SDL_CreateWindow("T A K E T H I S",
+                              SDL_WINDOWPOS_UNDEFINED,
+                              SDL_WINDOWPOS_UNDEFINED,
+                              640, 480, 0);
+    renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
+
+    background = load_texture(renderer, "data/background.bmp");
+    shape = load_texture(renderer, "data/shape.bmp");
+
+    int i;
+    int n;
+    for (i = 0; i < 2; ++i) {
+        for(n = 0; n < 4; ++n) {
+            src.x = shape_size * (n % 2);
+            if (n > 1) {
+                src.y = shape_size;
+            } else {
+                src.y = 0;
+            }
+            SDL_RenderCopy(renderer, background, NULL, NULL);
+            SDL_RenderCopy(renderer, shape, &src, &dst);
+            SDL_RenderPresent(renderer);
+            SDL_Delay(500);
+        }
+    }
+
+    SDL_DestroyTexture(shape);
+    SDL_DestroyTexture(background);
+    SDL_DestroyRenderer(renderer);
+    SDL_DestroyWindow(window);
+    SDL_Quit();
+    return 0;
+}
diff --git a/src/utils.c b/src/utils.c
new file mode 100644
index 0000000..35bd0a9
--- /dev/null
+++ b/src/utils.c
@@ -0,0 +1,10 @@
+#include "utils.h"
+
+
+SDL_Texture *load_texture(SDL_Renderer *renderer, const char *path)
+{
+    SDL_Surface *s = SDL_LoadBMP(path);
+    SDL_Texture *res = SDL_CreateTextureFromSurface(renderer, s);
+    SDL_FreeSurface(s);
+    return res;
+}
diff --git a/src/utils.h b/src/utils.h
new file mode 100644
index 0000000..6b726ab
--- /dev/null
+++ b/src/utils.h
@@ -0,0 +1,11 @@
+#ifndef TAKETHIS_INCLUDED_UTILS
+#define TAKETHIS_INCLUDED_UTILS
+
+
+#include <SDL2/SDL.h>
+
+
+SDL_Texture *load_texture(SDL_Renderer *renderer, const char *path);
+
+
+#endif
-- 
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