# Copyright (C) 2007  Peter De Wachter <pdewacht@gmail.com>
# Distributed under the same license as the game. See debian/copyright.

Sat Aug 25 23:59:12 CEST 2007  pdewacht@gmail.com
  * 06_d_language_changes
--- a/src/abagames/a7xpg/A7xBoot.d
+++ b/src/abagames/a7xpg/A7xBoot.d
@@ -5,13 +5,15 @@
  */
 module abagames.a7xpg.A7xBoot;
 
-import string;
+import std.string;
+import std.c.stdlib: exit, EXIT_SUCCESS, EXIT_FAILURE;
 import abagames.a7xpg.A7xScreen;
 import abagames.a7xpg.A7xGameManager;
 import abagames.a7xpg.A7xPrefManager;
 import abagames.util.Logger;
 import abagames.util.sdl.Input;
 import abagames.util.sdl.MainLoop;
+import abagames.util.sdl.Sound;
 
 /**
  * Boot A7Xpg.
@@ -37,7 +39,7 @@
 	exit(EXIT_FAILURE);
       }
       i++;
-      float b = (float) atoi(args[i]) / 100;
+      float b = cast(float) atoi(args[i]) / 100;
       if (b < 0 || b > 1) {
 	usage();
 	exit(EXIT_FAILURE);
@@ -50,7 +52,7 @@
 	exit(EXIT_FAILURE);
       }
       i++;
-      float l = (float) atoi(args[i]) / 100;
+      float l = cast(float) atoi(args[i]) / 100;
       if (l < 0 || l > 1) {
 	usage();
 	exit(EXIT_FAILURE);
--- a/src/abagames/a7xpg/A7xGameManager.d
+++ b/src/abagames/a7xpg/A7xGameManager.d
@@ -5,12 +5,13 @@
  */
 module abagames.a7xpg.A7xGameManager;
 
-import math;
+import std.math;
 import opengl;
 import SDL;
 import abagames.util.Rand;
 import abagames.util.GameManager;
 import abagames.util.ActorPool;
+import abagames.util.Vector;
 import abagames.util.sdl.Screen3D;
 import abagames.util.sdl.Texture;
 import abagames.util.sdl.Input;
@@ -115,8 +116,8 @@
   int enemyTableIdx, enemyNum;
 
   public override void init() {
-    prefManager = (A7xPrefManager) abstPrefManager;
-    screen = (A7xScreen) abstScreen;
+    prefManager = cast(A7xPrefManager) abstPrefManager;
+    screen = cast(A7xScreen) abstScreen;
     screen.makeLuminousTexture();
     rand = new Rand;
     field = new Field;
@@ -189,7 +190,7 @@
   }
 
   public void addGold() {
-    Gold gold = (Gold) golds.getInstance();
+    Gold gold = cast(Gold) golds.getInstance();
     assert(gold);
     gold.set();
   }
@@ -210,14 +211,14 @@
 
   public void addBonus(int sc, Vector pos, float size) {
     addScore(sc);
-    Bonus bonus = (Bonus) bonuses.getInstanceForced();
+    Bonus bonus = cast(Bonus) bonuses.getInstanceForced();
     assert(bonus);
     bonus.set(sc, pos, size);
   }
 
   public void getGold() {
     playSe(0);
-    addBonus(((int)(ship.speed / (ship.DEFAULT_SPEED / 2))) * 10, ship.pos, 0.7);
+    addBonus((cast(int)(ship.speed / (ship.DEFAULT_SPEED / 2))) * 10, ship.pos, 0.7);
     leftGold--;
     if (leftGold - appGold >= 0)
       addGold();
@@ -235,14 +236,14 @@
 
   public void addEnemy(int type, float size, float speed) {
     playSe(5);
-    Enemy enemy = (Enemy) enemies.getInstance();
+    Enemy enemy = cast(Enemy) enemies.getInstance();
     if (!enemy) return;
     enemy.set(type, size, speed);
   }
 
   public void addParticle(Vector pos, float deg, float ofs, float speed,
 			  float r, float g, float b) {
-    Particle pt = (Particle) particles.getInstanceForced();
+    Particle pt = cast(Particle) particles.getInstanceForced();
     assert(pt);
     pt.set(pos, deg, ofs, speed, r, g, b);
   }
@@ -254,14 +255,14 @@
     field.size.y = stgData[st][1];
     field.eyeZ = 300;
     field.alpha = 1;
-    stageTimer = stgData[st][2] * 60;
-    leftGold = stgData[st][3];
-    appGold = stgData[st][4];
-    enemyAppInterval = stgData[st][5];    
+    stageTimer = cast(int)(stgData[st][2] * 60);
+    leftGold = cast(int)stgData[st][3];
+    appGold = cast(int)stgData[st][4];
+    enemyAppInterval = cast(int)(stgData[st][5]);    
     int ei = 0;
     for (int i = 6; i < stgData[st].length;) {
-      int n = stgData[st][i]; i++;
-      int tp = stgData[st][i]; i++;
+      int n = cast(int)stgData[st][i]; i++;
+      int tp = cast(int)stgData[st][i]; i++;
       float sz = stgData[st][i]; i++; 
       float sp = stgData[st][i]; i++; 
       for (int j = 0; j < n; j++) {
@@ -374,7 +375,7 @@
       if (enemyTableIdx == 0 && lap >= 1) {
 	int ei = enemyNum - 1;
 	for (int i = 0; i < lap * 2; i++) {
-	  addEnemy(enemyTable[ei][0],
+	  addEnemy(cast(int)enemyTable[ei][0],
 		   enemyTable[ei][1] * (1 + lap * 0.1),
 		   enemyTable[ei][2] * (1 + lap * 0.1));
 	  ei--;
@@ -383,7 +384,7 @@
 	}
       }
       enemyTimer = enemyAppInterval;
-      addEnemy(enemyTable[enemyTableIdx][0],
+      addEnemy(cast(int)enemyTable[enemyTableIdx][0],
 	       enemyTable[enemyTableIdx][1],
 	       enemyTable[enemyTableIdx][2]);
       enemyTableIdx++;
--- a/src/abagames/a7xpg/A7xPrefManager.d
+++ b/src/abagames/a7xpg/A7xPrefManager.d
@@ -30,7 +30,7 @@
       if (ver != VERSION_NUM)
 	throw new Error("Wrong version num");
       fd.read(hiScore);
-    } catch (Error e) {
+    } catch (Exception e) {
       init();
     } finally {
       fd.close();
--- a/src/abagames/a7xpg/A7xScreen.d
+++ b/src/abagames/a7xpg/A7xScreen.d
@@ -6,6 +6,7 @@
 module abagames.a7xpg.A7xScreen;
 
 import opengl;
+import std.c.string;
 import abagames.util.sdl.Screen3D;
 
 /**
@@ -40,13 +41,13 @@
   GLuint luminousTexture;
   const int LUMINOUS_TEXTURE_WIDTH_MAX = 128;
   const int LUMINOUS_TEXTURE_HEIGHT_MAX = 128;
-  GLuint td[LUMINOUS_TEXTURE_WIDTH_MAX * LUMINOUS_TEXTURE_HEIGHT_MAX * 4 * uint.size];
+  GLuint td[LUMINOUS_TEXTURE_WIDTH_MAX * LUMINOUS_TEXTURE_HEIGHT_MAX * 4 * uint.sizeof];
   int luminousTextureWidth = 128, luminousTextureHeight = 128;
 
   public void makeLuminousTexture() {
-    uint *data = td;
+    uint *data = cast(uint *)td;
     int i;
-    memset(data, 0, luminousTextureWidth * luminousTextureHeight * 4 * uint.size);
+    memset(data, 0, luminousTextureWidth * luminousTextureHeight * 4 * uint.sizeof);
     glGenTextures(1, &luminousTexture);
     glBindTexture(GL_TEXTURE_2D, luminousTexture);
     glTexImage2D(GL_TEXTURE_2D, 0, 4, luminousTextureWidth, luminousTextureHeight, 0,
--- a/src/abagames/a7xpg/Bonus.d
+++ b/src/abagames/a7xpg/Bonus.d
@@ -36,7 +36,7 @@
       tn /= 10;
     pos.x = p.x - s / 2 * tn; pos.y = p.y;
     size = s;
-    cnt = 32 + s * 24;
+    cnt = cast(int)(32 + s * 24);
     my = 0.03 + s * 0.2;
     isExist = true;
   }
--- a/src/abagames/a7xpg/Enemy.d
+++ b/src/abagames/a7xpg/Enemy.d
@@ -5,13 +5,15 @@
  */
 module abagames.a7xpg.Enemy;
 
-import math;
+import math = std.math;
+import std.math;
 import opengl;
 import abagames.util.Vector;
 import abagames.util.Rand;
 import abagames.util.ActorInitializer;
 import abagames.a7xpg.LuminousActor;
 import abagames.a7xpg.Ship;
+import abagames.a7xpg.Field;
 import abagames.a7xpg.A7xGameManager;
 import abagames.a7xpg.A7xScreen;
 
@@ -48,7 +50,7 @@
   }
 
   public override void init(ActorInitializer ini) {
-    EnemyInitializer ei = (EnemyInitializer) ini;
+    EnemyInitializer ei = cast(EnemyInitializer) ini;
     ship = ei.ship;
     field = ei.field;
     rand = ei.rand;
--- a/src/abagames/a7xpg/Gold.d
+++ b/src/abagames/a7xpg/Gold.d
@@ -5,7 +5,8 @@
  */
 module abagames.a7xpg.Gold;
 
-import math;
+import math = std.math;
+import std.math;
 import opengl;
 import abagames.util.Vector;
 import abagames.util.Rand;
@@ -37,7 +38,7 @@
   }
 
   public override void init(ActorInitializer ini) {
-    GoldInitializer gi = (GoldInitializer) ini;
+    GoldInitializer gi = cast(GoldInitializer) ini;
     ship = gi.ship;
     field = gi.field;
     rand = gi.rand;
--- a/src/abagames/a7xpg/LetterRender.d
+++ b/src/abagames/a7xpg/LetterRender.d
@@ -123,7 +123,7 @@
     float x, y, length, size, t;
     int deg;
     for ( i=0 ; ; i++ ) {
-      deg = (int) spData[idx][i][4];
+      deg = cast(int) spData[idx][i][4];
       if (deg > 99990) break;
       x = -spData[idx][i][0]; 
       y = -spData[idx][i][1];
--- a/src/abagames/a7xpg/LuminousActor.d
+++ b/src/abagames/a7xpg/LuminousActor.d
@@ -5,7 +5,7 @@
  */
 module abagames.a7xpg.LuminousActor;
 
-import abagames.util.Actor;
+public import abagames.util.Actor;
 
 /**
  * Actor with the luminous effect.
--- a/src/abagames/a7xpg/LuminousActorPool.d
+++ b/src/abagames/a7xpg/LuminousActorPool.d
@@ -21,7 +21,7 @@
   public void drawLuminous() {
     for (int i = 0; i < actor.length; i++) {
       if (actor[i].isExist)
-	((LuminousActor) actor[i]).drawLuminous();
+	(cast(LuminousActor) actor[i]).drawLuminous();
     }
   }
 }
--- a/src/abagames/a7xpg/Particle.d
+++ b/src/abagames/a7xpg/Particle.d
@@ -5,7 +5,7 @@
  */
 module abagames.a7xpg.Particle;
 
-import math;
+import std.math;
 import opengl;
 import abagames.util.Vector;
 import abagames.util.Rand;
@@ -34,7 +34,7 @@
   }
 
   public override void init(ActorInitializer ini) {
-    ParticleInitializer pi = (ParticleInitializer) ini;
+    ParticleInitializer pi = cast(ParticleInitializer) ini;
     field = pi.field;
     rand = pi.rand;
     pos = new Vector;
--- a/src/abagames/a7xpg/Ship.d
+++ b/src/abagames/a7xpg/Ship.d
@@ -5,7 +5,8 @@
  */
 module abagames.a7xpg.Ship;
 
-import math;
+import math = std.math;
+import std.math;
 import opengl;
 import abagames.util.Vector;
 import abagames.util.Rand;
@@ -237,7 +238,7 @@
       manager.addParticle(pos, deg + math.PI + rand.nextFloat(0.5) - 0.25, SIZE, ps, pr, pg, pb);
     }
     if (hitWall && pSpeed > DEFAULT_SPEED * 1.1) {
-      int pn = pSpeed / (DEFAULT_SPEED / 4);
+      int pn = cast(int)(pSpeed / (DEFAULT_SPEED / 4));
       for (int i = 0; i < pn; i++) {
 	manager.addParticle(pos, deg + rand.nextFloat(1.2) - 0.6, SIZE, pSpeed * 3,
 			    0.8, 0.6, 0.1);
--- a/src/abagames/util/Actor.d
+++ b/src/abagames/util/Actor.d
@@ -5,7 +5,7 @@
  */
 module abagames.util.Actor;
 
-import abagames.util.ActorInitializer;
+public import abagames.util.ActorInitializer;
 
 /**
  * Actor in the game that has the interface to move and draw.
--- a/src/abagames/util/Logger.d
+++ b/src/abagames/util/Logger.d
@@ -5,28 +5,28 @@
  */
 module abagames.util.Logger;
 
-import stream;
+import std.cstream;
 
 /**
  * Logger(error/info).
  */
 public class Logger {
   public static void info(char[] msg) {
-    stderr.writeLine("Info: " ~ msg);
+    derr.writeLine("Info: " ~ msg);
   }
 
   public static void error(char[] msg) {
-    //stderr.writeLine("Error: " ~ msg);
+    //derr.writeLine("Error: " ~ msg);
     throw new Exception("Error: " ~ msg ~ "\0");
   }
 
   public static void error(Exception e) {
-    //stderr.writeLine("Error: " ~ e.toString());
+    //derr.writeLine("Error: " ~ e.toString());
     throw new Exception("Error: " ~ e.toString() ~ "\0");
   }
 
   public static void error(Error e) {
-    //stderr.writeLine("Error: " ~ e.toString());
+    //derr.writeLine("Error: " ~ e.toString());
     //if (e.next)
     //  error(e.next);
     throw new Exception("Error: " ~ e.toString() ~ "\0");
--- a/src/abagames/util/Rand.d
+++ b/src/abagames/util/Rand.d
@@ -5,8 +5,8 @@
  */
 module abagames.util.Rand;
 
-import random;
-import date;
+import std.random;
+import std.date;
 
 /**
  * Random number generator.
@@ -19,14 +19,14 @@
   }
 
   public int nextInt(int n) {
-    return random.rand() % n;
+    return rand() % n;
   }
 
   public int nextSignedInt(int n) {
-    return random.rand() % (n * 2) - n;
+    return rand() % (n * 2) - n;
   }
 
   public float nextFloat(float n) {
-    return ((float)(random.rand() % (n * 10000))) / 10000;
+    return (cast(float)(rand() % (n * 10000))) / 10000;
   }
 }
--- a/src/abagames/util/sdl/Input.d
+++ b/src/abagames/util/sdl/Input.d
@@ -5,7 +5,7 @@
  */
 module abagames.util.sdl.Input;
 
-import string;
+import string = std.string;
 import SDL;
 import abagames.util.sdl.SDLInitFailedException;
 
--- a/src/abagames/util/sdl/MainLoop.d
+++ b/src/abagames/util/sdl/MainLoop.d
@@ -5,8 +5,7 @@
  */
 module abagames.util.sdl.MainLoop;
 
-import string;
-import c.stdlib;
+import std.c.stdlib;
 import SDL;
 import abagames.util.Logger;
 import abagames.util.Rand;
@@ -88,7 +87,7 @@
 	done = 1;
 
       nowTick = SDL_GetTicks();
-      frame = (int) (nowTick-prvTickCount) / interval;
+      frame = cast(int) (nowTick-prvTickCount) / interval;
       if (frame <= 0) {
 	frame = 1;
 	SDL_Delay(prvTickCount+interval-nowTick);
--- a/src/abagames/util/sdl/Screen3D.d
+++ b/src/abagames/util/sdl/Screen3D.d
@@ -5,8 +5,8 @@
  */
 module abagames.util.sdl.Screen3D;
 
-import string;
-import c.stdlib;
+import string = std.string;
+import std.c.stdlib;
 import SDL;
 import opengl;
 import abagames.util.Logger;
@@ -64,11 +64,11 @@
     glViewport(0, 0, width, height);
     glMatrixMode(GL_PROJECTION);
     glLoadIdentity();
-    //gluPerspective(45.0f, (GLfloat)width/(GLfloat)height, nearPlane, farPlane);
+    //gluPerspective(45.0f, cast(GLfloat)width/cast(GLfloat)height, nearPlane, farPlane);
     glFrustum(-nearPlane,
 	      nearPlane,
-	      -nearPlane * (GLfloat)height / (GLfloat)width,
-	      nearPlane * (GLfloat)height / (GLfloat)width,
+	      -nearPlane * cast(GLfloat)height / cast(GLfloat)width,
+	      nearPlane * cast(GLfloat)height / cast(GLfloat)width,
 	      0.1f, farPlane);
     glMatrixMode(GL_MODELVIEW);
   }
--- a/src/abagames/util/sdl/Sound.d
+++ b/src/abagames/util/sdl/Sound.d
@@ -5,7 +5,7 @@
  */
 module abagames.util.sdl.Sound;
 
-import string;
+import string = std.string;
 import SDL;
 import SDL_mixer;
 import abagames.util.sdl.SDLInitFailedException;
--- a/src/abagames/util/sdl/Texture.d
+++ b/src/abagames/util/sdl/Texture.d
@@ -5,7 +5,7 @@
  */
 module abagames.util.sdl.Texture;
 
-import string;
+import string = std.string;
 import opengl;
 import SDL;
 import abagames.util.sdl.SDLInitFailedException;
--- a/src/abagames/util/Vector.d
+++ b/src/abagames/util/Vector.d
@@ -5,7 +5,7 @@
  */
 module abagames.util.Vector;
 
-import math;
+import std.math;
 
 /**
  * Vector.
@@ -60,19 +60,19 @@
   }
 
   public int checkSide(Vector pos1, Vector pos2) {
-    int xo = pos2.x - pos1.x;
-    int yo = pos2.y - pos1.y;
+    int xo = cast(int)(pos2.x - pos1.x);
+    int yo = cast(int)(pos2.y - pos1.y);
     if (xo == 0) {
       if (yo == 0)
 	return 0;
-      return x - pos1.x;
+      return cast(int)(x - pos1.x);
     } else if (yo == 0) {
-      return pos1.y - y;
+      return cast(int)(pos1.y - y);
     } else {
       if (xo * yo > 0) { 
-	return (x - pos1.x) / xo - (y - pos1.y) / yo;
+	return cast(int)((x - pos1.x) / xo - (y - pos1.y) / yo);
       } else {
-	return -(x - pos1.x) / xo + (y - pos1.y) / yo;
+	return cast(int)(-(x - pos1.x) / xo + (y - pos1.y) / yo);
       }
     }
   }