v.0.1

CMakeLists.txt

@@ -0,0 +1,46 @@
+# Configure with [fxsdk build-fx] or [fxsdk build-cg], which provide the
+# toolchain file and module path of the fxSDK
+
+cmake_minimum_required(VERSION 3.15)
+project(MyAddin)
+
+include(GenerateG1A)
+include(Fxconv)
+find_package(Gint 2.1 REQUIRED)
+
+set(SOURCES
+  src/core.c
+  src/init.c
+  src/tools.c
+  src/main.c
+  # ...
+)
+# Shared assets, fx-9860G-only assets and fx-CG-50-only assets
+set(ASSETS
+  # ...
+)
+set(ASSETS_fx
+  assets-fx/maps/map1.png
+  assets-fx/title.png
+  assets-fx/game_over.png
+  assets-fx/you_won.png
+  assets-fx/menu/play.png
+  assets-fx/menu/play_s.png
+  assets-fx/menu/quit.png
+  assets-fx/menu/quit_s.png
+  assets-fx/timer/3.png
+  assets-fx/timer/2.png
+  assets-fx/timer/1.png
+  # ...
+)
+
+fxconv_declare_assets(${ASSETS} ${ASSETS_fx} WITH_METADATA)
+
+add_executable(myaddin ${SOURCES} ${ASSETS} ${ASSETS_${FXSDK_PLATFORM}})
+target_compile_options(myaddin PRIVATE -Wall -Wextra -Os)
+target_link_libraries(myaddin Gint::Gint)
+
+if("${FXSDK_PLATFORM_LONG}" STREQUAL fx9860G)
+  generate_g1a(TARGET myaddin OUTPUT "METROSI4.G1A"
+    NAME "Metro Siberia 4" ICON assets-fx/icon.png)
+endif()

assets-fx/fxconv-metadata.txt

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+title.png:
+  type: bopti-image
+  name: title
+game_over.png:
+  type: bopti-image
+  name: game_over
+you_won.png:
+  type: bopti-image
+  name: you_won

assets-fx/maps/fxconv-metadata.txt

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+map1.png:
+  type: bopti-image
+  name: map_1

assets-fx/menu/fxconv-metadata.txt

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+play.png:
+  type: bopti-image
+  name: menu_play
+play_s.png:
+  type: bopti-image
+  name: menu_play_inv
+quit.png:
+  type: bopti-image
+  name: menu_quit
+quit_s.png:
+  type: bopti-image
+  name: menu_quit_inv

assets-fx/timer/fxconv-metadata.txt

@@ -0,0 +1,9 @@
+3.png:
+  type: bopti-image
+  name: timer_3
+2.png:
+  type: bopti-image
+  name: timer_2
+1.png:
+  type: bopti-image
+  name: timer_1

src/core.c

@@ -0,0 +1,146 @@
+/*
+ * Metro Siberia 4 - A sequel to Dark Storm's Metro Siberia 3 for CASIO calculators.
+ * Copyright (C) 2015  Dark Storm
+ * Copyright (C) 2022  Mibi88
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see https://www.gnu.org/licenses/.
+ */
+
+#include "includes.h"
+
+Ship ship;
+extern bopti_image_t map_1;
+extern bopti_image_t timer_3;
+extern bopti_image_t timer_2;
+extern bopti_image_t timer_1;
+
+int dgetpixel(int x, int y) // Thanks to Lephenixnoir
+{
+    int offset = (y << 2) + (x >> 5);
+    return (int)(gint_vram[offset] << (x & 31)) < 0 ? C_BLACK : C_WHITE;
+}
+
+int play_game(void)
+{
+	int collision = 0, ticks = 0, timer = 3;
+	init_ship();
+	ship.scrolling.x = 0;
+	ship.scrolling.y = 0;
+	while(timer != 0){
+		dclear(C_WHITE);
+		int i;
+		dimage(-ship.scrolling.x, 0, &map_1);
+		calculate_tops();
+		for(i = 0; i != 3; i++)
+			dline(ship.tops[i].x, ship.tops[i].y, ship.tops[(i + 1) % 3].x, ship.tops[(i + 1) % 3].y, C_BLACK);
+		if(timer == 3){
+			dimage(59, 25, &timer_3);
+		}else if(timer == 2){
+			dimage(59, 25, &timer_2);
+		}else if(timer == 1){
+			dimage(59, 25, &timer_1);
+		}
+		dupdate();
+		sleep_ms(1000);
+		timer--;
+	}
+
+	while(1)
+	{
+		clearevents();
+		if(keydown(KEY_SHIFT) || keydown(KEY_EXE)){ // Go up
+			ship.thrust = false;
+		}
+		if(keydown(KEY_EXIT)){
+			return 2;
+		}
+		sleep_ms(20);
+		calculate_tops();
+		dclear(C_WHITE);
+		collision = move();
+		draw();
+		ship.thrust = true;
+		clearevents();
+		if(ship.scrolling.x >= 3328){
+			return 1;
+		}
+		if(collision == 1){
+			return 0;
+		}
+	}
+
+}
+
+void draw(void)
+{
+	static Vector smoke_cubes[5];
+	int i;
+
+	for(i = 0; i != 3; i++)
+		dline(ship.tops[i].x, ship.tops[i].y, ship.tops[(i + 1) % 3].x, ship.tops[(i + 1) % 3].y, C_BLACK);
+
+	dupdate();
+}
+
+int move(void)
+{
+	int i;
+	ship.acceleration.y = - GRAVITY * (float)(TIMER_PHYSIC) / 1000;
+	if(ship.thrust) ship.acceleration.y += THRUST * (float)(TIMER_PHYSIC) / 1000;
+
+	ship.speed.x += ship.acceleration.x;
+	ship.speed.y += ship.acceleration.y;
+
+	ship.position.x += ship.speed.x;
+	ship.position.y += ship.speed.y;
+	
+	ship.scrolling.x = ship.position.x;
+	
+	dimage(-ship.scrolling.x, 0, &map_1);
+	
+	// collision
+	for(i=0;i!=3;i++){
+		if(dgetpixel(ship.tops[i].x, ship.tops[i].y) == C_BLACK){
+			return 1;
+		}
+		if(ship.tops[i].y<0 || ship.tops[i].y>64){
+			return 1;
+		}
+	}
+	return 0;
+}
+
+
+void calculate_tops(void)
+{
+	Vector tmp;
+	float angle = 15.0;
+	int i;
+
+	angle = _atan(ship.speed.y / ship.speed.x);
+
+	init_tops();
+
+	for(i = 0; i != 3; i++)
+	{
+		tmp.x = ship.tops[i].x;
+		tmp.y = ship.tops[i].y;
+
+		ship.tops[i].x = tmp.x * cos(angle) + tmp.y * sin(angle);
+		ship.tops[i].y = tmp.y * cos(angle) - tmp.x * sin(angle);
+
+		ship.tops[i].x += MARGIN;
+		ship.tops[i].y += ship.position.y;
+	}
+}

src/core.h

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+/*
+ * Metro Siberia 4 - A sequel to Dark Storm's Metro Siberia 3 for CASIO calculators.
+ * Copyright (C) 2015  Dark Storm
+ * Copyright (C) 2022  Mibi88
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see https://www.gnu.org/licenses/.
+ */
+
+#ifndef _ENGINE_H
+#define _ENGINE_H
+
+/* Global defines */
+
+#ifndef NULL
+	#define NULL (void*)(0)
+#endif
+
+// Timers delays
+#define TIMER_PHYSIC		25
+
+// Physic constants
+#define GRAVITY			0.981		// px . s^{-2}
+#define THRUST			2.0 * GRAVITY	// px . s^{-2}
+#define HORIZONTAL_SPEED	20.0 		// px . s^{-1}
+
+// Margin before the ship
+#define MARGIN			32
+
+// Relative position of tops of the ship
+/*#define SHIP_TOP_1_X		10
+#define SHIP_TOP_1_Y		0
+#define SHIP_TOP_2_X		-5
+#define SHIP_TOP_2_Y		5
+#define SHIP_TOP_3_X		-5
+#define SHIP_TOP_3_Y		-5*/
+#define SHIP_TOP_1_X		9
+#define SHIP_TOP_1_Y		0
+#define SHIP_TOP_2_X		0
+#define SHIP_TOP_2_Y		3
+#define SHIP_TOP_3_X		0
+#define SHIP_TOP_3_Y		-3
+
+#define MENU_MAX 1
+
+/* Enumerations */
+
+// Menu entries
+
+#define PLAY 0
+#define QUIT 1
+
+/* Structures */
+typedef struct { float x, y; } Vector;
+
+typedef struct
+{
+	Vector position;
+	Vector speed;
+	Vector acceleration;
+	Vector scrolling;
+	bool thrust;
+
+	Vector tops[3];
+} Ship;
+
+typedef struct
+{
+	int x, y;
+} Camera;
+
+
+/* Functions */
+
+int play_game(void);
+void draw(void);
+int move(void);
+
+void calculate_tops(void);
+
+#endif // _ENGINE_H

src/includes.h

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+/*
+ * Metro Siberia 4 - A sequel to Dark Storm's Metro Siberia 3 for CASIO calculators.
+ * Copyright (C) 2015  Dark Storm
+ * Copyright (C) 2022  Mibi88
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see https://www.gnu.org/licenses/.
+ */
+
+#define DEBUG
+
+#include <gint/keyboard.h>
+#include <gint/display.h>
+#include <gint/gint.h>
+#include <gint/clock.h>
+#include <math.h>
+
+#include "tools.h"
+
+#include "core.h"
+#include "main.h"
+#include "init.h"

src/init.c

@@ -0,0 +1,46 @@
+/*
+ * Metro Siberia 4 - A sequel to Dark Storm's Metro Siberia 3 for CASIO calculators.
+ * Copyright (C) 2015  Dark Storm
+ * Copyright (C) 2022  Mibi88
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see https://www.gnu.org/licenses/.
+ */
+
+#include "includes.h"
+
+extern Ship ship;
+
+void init_ship(void)
+{
+	ship.position.x = 0;
+	ship.position.y = 32;
+
+	ship.speed.x = HORIZONTAL_SPEED / TIMER_PHYSIC;
+	ship.speed.y = 0;
+
+	ship.acceleration.x = 0;
+	ship.acceleration.y = 0;
+
+	ship.thrust = false;
+}
+
+void init_tops(void)
+{
+	ship.tops[0].x = SHIP_TOP_1_X;
+	ship.tops[0].y = SHIP_TOP_1_Y;
+	ship.tops[1].x = SHIP_TOP_2_X;
+	ship.tops[1].y = SHIP_TOP_2_Y;
+	ship.tops[2].x = SHIP_TOP_3_X;
+	ship.tops[2].y = SHIP_TOP_3_Y;
+}

src/init.h

@@ -0,0 +1,26 @@
+/*
+ * Metro Siberia 4 - A sequel to Dark Storm's Metro Siberia 3 for CASIO calculators.
+ * Copyright (C) 2015  Dark Storm
+ * Copyright (C) 2022  Mibi88
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see https://www.gnu.org/licenses/.
+ */
+
+#ifndef _INIT_H
+#define _INIT_H
+
+void init_ship(void);
+void init_tops(void);
+
+#endif // _INIT_H

src/main.c

@@ -0,0 +1,113 @@
+/*
+ * Metro Siberia 4 - A sequel to Dark Storm's Metro Siberia 3 for CASIO calculators.
+ * Copyright (C) 2015  Dark Storm
+ * Copyright (C) 2022  Mibi88
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see https://www.gnu.org/licenses/.
+ */
+
+#include "includes.h"
+
+int selection, stat;
+
+extern bopti_image_t title;
+extern bopti_image_t game_over;
+extern bopti_image_t you_won;
+extern bopti_image_t menu_play;
+extern bopti_image_t menu_play_inv;
+extern bopti_image_t menu_quit;
+extern bopti_image_t menu_quit_inv;
+
+void waitkey(int key){
+	clearevents();
+	while(keydown(key)){
+		clearevents();
+	}
+}
+
+void end(){
+	dclear(C_WHITE);
+	if(stat == 0){
+		dimage(0, 0, &game_over);
+	}else if(stat == 1){
+		dimage(0, 0, &you_won);
+	}
+	if(stat == 0 || stat == 1){
+		dupdate();
+		stat = 0;
+		clearevents();
+		while(!keydown(KEY_EXIT)){
+			clearevents();
+			if(keydown(KEY_SHIFT))
+				break;
+			clearevents();
+			if(keydown(KEY_EXE))
+				break;
+			clearevents();
+		}
+	}else{
+		return;
+	}
+}
+
+int main(void)
+{
+	selection = PLAY;
+	stat = 0;
+	while(1){
+		dclear(C_WHITE);
+		if(selection != PLAY){
+			dimage(70, 22, &menu_play);
+		}else{
+			dimage(70, 22, &menu_play_inv);
+		}
+		if(selection != QUIT){
+			dimage(70, 32, &menu_quit);
+		}else{
+			dimage(70, 32, &menu_quit_inv);
+		}
+		clearevents();
+		if(keydown(KEY_SHIFT) || keydown(KEY_EXE)){
+			if(selection == PLAY){
+				play_game();
+				end();
+				waitkey(KEY_SHIFT);
+				waitkey(KEY_EXE);
+				selection = PLAY;
+				stat = 0;
+			}else if(selection == QUIT){
+				return 1;
+			}
+			waitkey(KEY_SHIFT);
+			waitkey(KEY_EXE);
+		}else if(keydown(KEY_UP)){
+			if(selection != 0){
+				selection--;
+			}else{
+				selection = MENU_MAX;
+			}
+			waitkey(KEY_UP);
+		}else if(keydown(KEY_DOWN)){
+			if(selection != MENU_MAX){
+				selection++;
+			}else{
+				selection = 0;
+			}
+			waitkey(KEY_DOWN);
+		}
+		dimage(0, 0, &title);
+		dupdate();
+	}
+	return 1;
+}

src/main.h

@@ -0,0 +1,30 @@
+/*
+ * Metro Siberia 4 - A sequel to Dark Storm's Metro Siberia 3 for CASIO calculators.
+ * Copyright (C) 2015  Dark Storm
+ * Copyright (C) 2022  Mibi88
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see https://www.gnu.org/licenses/.
+ */
+
+#ifndef _MAIN_H
+
+#define _MAIN_H
+
+/* Functions */
+
+int main(void);
+void waitkey(int key);
+void end(void);
+
+#endif

src/tools.c

@@ -0,0 +1,51 @@
+/*
+ * Metro Siberia 4 - A sequel to Dark Storm's Metro Siberia 3 for CASIO calculators.
+ * Copyright (C) 2015  Dark Storm
+ * Copyright (C) 2022  Mibi88
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see https://www.gnu.org/licenses/.
+ */
+
+#include "includes.h"
+
+char* _itoa(int i, char b[])
+{
+    char const digit[] = "0123456789";
+    char* p = b;
+    if(i<0){
+        *p++ = '-';
+        i *= -1;
+    }
+    int shifter = i;
+    do{ //Move to where representation ends
+        ++p;
+        shifter = shifter/10;
+    }while(shifter);
+    *p = '\0';
+    do{ //Move back, inserting digits as u go
+        *--p = digit[i%10];
+        i = i/10;
+    }while(i);
+    return b;
+}
+
+
+#define PI 3.14159
+#define M_PI_4 0.78539
+#define FABS(x) ((x<0)?-x:x)
+
+float _atan(float x)
+{
+	return (x * (M_PI_4 - ((FABS(x) - 1) * (0.2447 + 0.0663 * FABS(x)))));
+}

src/tools.h

@@ -0,0 +1,28 @@
+/*
+ * Metro Siberia 4 - A sequel to Dark Storm's Metro Siberia 3 for CASIO calculators.
+ * Copyright (C) 2015  Dark Storm
+ * Copyright (C) 2022  Mibi88
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see https://www.gnu.org/licenses/.
+ */
+
+#ifndef _TOOLS_H
+#define _TOOLS_H
+#include <stdbool.h>
+
+/* Functions */
+char* _itoa(int i, char str[]);
+float _atan(float x);
+
+#endif