brmlife: Initial version

Can draw 10x10 field of dots.

Makefile

@@ -0,0 +1,28 @@
+CFLAGS=-Wall -O3 -g
+
+OBJS=main.o map.o
+
+brmlife: main.o map.o
+	$(CXX) -o $@ $^
+
+
+clean:
+	rm -f $(OBJS) brmlife
+
+
+DEP_FILES_1 = $(foreach src,$(OBJS),.deps/$(src))
+DEP_FILES = $(DEP_FILES_1:%.o=%.P)
+
+DEPS_MAGIC := $(shell mkdir .deps > /dev/null 2>&1 || :)
+
+ifdef DEP_FILES
+-include $(DEP_FILES)
+endif
+
+%.o: %.cc
+	$(CXX) $(CFLAGS) -Wp,-MD,.deps/$(*F).pp -c $<
+	@-cp .deps/$(*F).pp .deps/$(*F).P; \
+		tr ' ' '\012' < .deps/$(*F).pp \
+			| sed -e 's/^\\$$//' -e '/^$$/ d' -e '/:$$/ d' -e 's/$$/ :/' \
+			>> .deps/$(*F).P; \
+		rm .deps/$(*F).pp

agent.h

@@ -0,0 +1,12 @@
+#ifndef BRMLIFE__AGENT_H
+#define BRMLIFE__AGENT_H
+
+class position;
+
+class agent {
+public:
+	int id;
+	class position *pos;
+};
+
+#endif

main.cc

@@ -0,0 +1,12 @@
+#include <iostream>
+
+#include "agent.h"
+#include "map.h"
+
+int
+main(int argc, char *argv[])
+{
+	class map map(10, 10);
+	map.print_map();
+	return 0;
+}

map.cc

@@ -0,0 +1,49 @@
+#include <iostream>
+#include <cassert>
+
+#include "map.h"
+
+void
+tile::on_agent_enter(class agent *a)
+{
+	agent = a;
+}
+
+void
+tile::on_agent_leave(class agent *a)
+{
+	assert(a == agent);
+	agent = NULL;
+}
+
+void
+tile::on_tick(void)
+{
+}
+
+char
+tile_ground::symbol(void)
+{
+	return '.';
+}
+
+class position *
+position::next_in(int dir_x, int dir_y)
+{
+	int x2 = (map->w + x + dir_x) % map->w;
+	int y2 = (map->h + y + dir_y) % map->h;
+	return new position(x2, y2, map);
+}
+
+
+void
+map::print_map(void)
+{
+	for (int y = 0; y < h; y++) {
+		for (int x = 0; x < w; x++) {
+			class position p = position(x, y, this);
+			std::cout << tile_at(p).symbol();
+		}
+		std::cout << '\n';
+	}
+}

map.h

@@ -0,0 +1,62 @@
+#ifndef BRMLIFE__MAP_H
+#define BRMLIFE__MAP_H
+
+class agent;
+class map;
+
+class tile {
+public:
+	class agent *agent;
+
+	virtual void on_agent_enter(class agent *);
+	virtual void on_agent_leave(class agent *);
+
+	virtual void on_tick(void);
+
+	virtual char symbol(void) = 0;
+};
+
+class tile_ground : public tile {
+	char symbol(void);
+};
+
+class position {
+public:
+	int x, y;
+	class map *map;
+
+	position(int x_, int y_, class map *map_)
+	{
+		x = x_;
+		y = y_;
+		map = map_;
+	};
+
+	class position *next_in(int dir_x, int dir_y);
+};
+
+class map {
+public:
+	class tile **tiles;
+	int w, h;
+
+	map(int w_, int h_)
+	{
+		w = w_;
+		h = h_;
+		tiles = new class tile * [w * h];
+
+		for (int i = 0; i < w * h; i++) {
+			tiles[i] = new tile_ground;
+		}
+	};
+
+	class tile &tile_at(class position &pos)
+	{
+		return *tiles[pos.y * h + pos.x];
+	};
+
+	void print_map(void);
+};
+
+#endif