A very very basic snow implementation
authornemo
Wed, 22 Dec 2010 00:17:43 -0500
changeset 4611 445d382cd401
parent 4609 e78287f80074
child 4613 f58ff1827763
A very very basic snow implementation
hedgewars/GSHandlers.inc
hedgewars/uCommandHandlers.pas
hedgewars/uGears.pas
hedgewars/uGearsRender.pas
hedgewars/uRenderUtils.pas
hedgewars/uTypes.pas
hedgewars/uVariables.pas
--- a/hedgewars/GSHandlers.inc	Wed Dec 22 04:09:56 2010 +0100
+++ b/hedgewars/GSHandlers.inc	Wed Dec 22 00:17:43 2010 -0500
@@ -558,6 +558,97 @@
         end
 end;
 
+procedure doStepSnowflake(Gear: PGear);
+var xx, yy, px, py: LongInt;
+    move: Boolean;
+    s: PSDL_Surface;
+    p: PLongwordArray;
+begin
+if GameTicks and $7 = 0 then
+    begin
+    with Gear^ do
+        begin
+        X:= X + cWindSpeed * 1600 + dX;
+        Y:= Y + dY + cGravity * vobFallSpeed * 8;  // using same value as flakes to try and get similar results
+        xx:= hwRound(X);
+        yy:= hwRound(Y);
+        if vobVelocity <> 0 then
+            begin
+            DirAngle := DirAngle + (Angle / 12500000);
+            if DirAngle < 0 then DirAngle := DirAngle + 360
+            else if 360 < DirAngle then DirAngle := DirAngle - 360;
+            end;
+
+        inc(Health, 8);
+        if Health > vobFrameTicks then
+            begin
+            dec(Health, vobFrameTicks);
+            inc(Timer);
+            if Timer = vobFramesCount then Timer:= 0
+            end;
+
+        move:= false;
+    // move back to cloud layer
+        if yy > cWaterLine then move:= true
+        else if ((yy and LAND_HEIGHT_MASK) = 0) and ((xx and LAND_WIDTH_MASK) = 0) and (Land[yy, xx] > 255) then
+            begin
+            // we've collided with land. draw some stuff and get back into the clouds
+            move:= true;
+////////////////////////////////// TODO - ASK UNC0RR FOR A GOOD HOME FOR THIS ////////////////////////////////////
+            Land[yy, xx]:= Land[yy, xx] or lfBasic;
+            if yy > 1 then
+                begin 
+                Land[yy-1, xx]:= Land[yy-1, xx] or lfBasic;
+                if (cWindSpeed * 1600 + dX < _0) and (xx > 1) then
+                    begin
+                    Land[yy-1, xx-1]:= Land[yy-1, xx-1] or lfBasic;
+                    Land[yy, xx-1]:= Land[yy, xx-1] or lfBasic
+                    end
+                else if xx < LAND_WIDTH then
+                    begin
+                    Land[yy-1, xx+1]:= Land[yy-1, xx+1] or lfBasic;
+                    Land[yy, xx+1]:= Land[yy, xx+1] or lfBasic
+                    end
+                end;
+            dec(yy,4);
+            dec(xx,2);
+            if (((cReducedQuality and rqBlurryLand) = 0) and 
+                    (xx >= 0) and (xx < LAND_WIDTH-2) and (yy >= 0) and (yy < LAND_HEIGHT)) or
+               (((cReducedQuality and rqBlurryLand) <> 0) and
+                    (xx >= 0) and (xx < (LAND_WIDTH div 2)-2) and (yy >= 0) and (yy < LAND_HEIGHT div 2)) then
+                begin
+                s:= SpritesData[sprSnow].Surface;
+                p:= s^.pixels;
+
+                for py:= 0 to Pred(s^.h) do
+                    begin
+                    for px:= 0 to Pred(s^.w) do
+                        begin
+                            if (cReducedQuality and rqBlurryLand) = 0 then
+                                begin
+                                if LandPixels[yy + py, xx + py] = 0 then
+                                    LandPixels[yy + py, xx + px]:= p^[px];
+                                end
+                            else
+                                if LandPixels[(yy + py) div 2, (xx + px) div 2] = 0 then
+                                    LandPixels[(yy + py) div 2, (xx + px) div 2]:= p^[px];
+
+                        end;
+                    p:= @(p^[s^.pitch shr 2])
+                    end;
+                UpdateLandTexture(xx, 4, yy, 4)
+                end
+////////////////////////////////// TODO - ASK UNC0RR FOR A GOOD HOME FOR THIS ////////////////////////////////////
+            end;
+        if move then
+            begin
+            X:= int2hwFloat(GetRandom(LAND_WIDTH+1024)-512);
+            Y:= int2hwFloat(1000+(GetRandom(25)-50))
+            end
+        end
+    end
+end;
+
 ////////////////////////////////////////////////////////////////////////////////
 procedure doStepGrave(Gear: PGear);
 begin
--- a/hedgewars/uCommandHandlers.pas	Wed Dec 22 04:09:56 2010 +0100
+++ b/hedgewars/uCommandHandlers.pas	Wed Dec 22 00:17:43 2010 -0500
@@ -407,6 +407,7 @@
 if isDeveloperMode then
 begin
 Pathz[ptCurrTheme]:= Pathz[ptThemes] + '/' + s;
+Theme:= s;
 InitStepsFlags:= InitStepsFlags or cifTheme
 end
 end;
--- a/hedgewars/uGears.pas	Wed Dec 22 04:09:56 2010 +0100
+++ b/hedgewars/uGears.pas	Wed Dec 22 00:17:43 2010 -0500
@@ -47,7 +47,7 @@
 implementation
 uses uStore, uSound, uTeams, uRandom, uCollisions, uIO, uLandGraphics,
      uAIMisc, uLocale, uAI, uAmmos, uStats, uVisualGears, uScript, GLunit, uMobile, uVariables,
-     uCommands, uUtils, uTextures, uRenderUtils, uGearsRender, uCaptions, uDebug;
+     uCommands, uUtils, uTextures, uRenderUtils, uGearsRender, uCaptions, uDebug, uLandTexture;
 
 
 procedure doMakeExplosion(X, Y, Radius: LongInt; Mask: LongWord); forward;
@@ -128,7 +128,8 @@
             @doStepHammerHit,
             @doStepResurrector,
             @doStepNapalmBomb,
-            @doStepSnowball
+            @doStepSnowball,
+            @doStepSnowflake
             );
 
 procedure InsertGearToList(Gear: PGear);
@@ -259,6 +260,21 @@
                 gear^.Friction:= _1;
                 gear^.Density:= _0_5;
                 end;
+
+     gtFlake: begin
+                with Gear^ do
+                    begin
+                    DirAngle:= random * 360;
+                    dx.isNegative:= GetRandom(2) = 0;
+                    dx.QWordValue:= GetRandom(100000000);
+                    dy.isNegative:= false;
+                    dy.QWordValue:= GetRandom(70000000);
+                    if GetRandom(2) = 0 then dx := -dx;
+                    Health:= random(vobFrameTicks);
+                    Timer:= random(vobFramesCount);
+                    Angle:= (random(2) * 2 - 1) * (1 + random(10000)) * vobVelocity
+                    end
+                end;
        gtGrave: begin
                 gear^.ImpactSound:= sndGraveImpact;
                 gear^.nImpactSounds:= 1;
@@ -1095,7 +1111,11 @@
     cLaserSighting:= true;
 
 if (GameFlags and gfArtillery) <> 0 then
-    cArtillery:= true
+    cArtillery:= true;
+
+if (Theme = 'Snow') or (Theme = 'Hell') then
+    for i:= 0 to Pred(vobCount) do
+        AddGear(GetRandom(LAND_WIDTH+1024)-512, LAND_HEIGHT - GetRandom(1024), gtFlake, 0, _0, _0, 0);
 end;
 
 procedure doMakeExplosion(X, Y, Radius: LongInt; Mask: LongWord);
--- a/hedgewars/uGearsRender.pas	Wed Dec 22 04:09:56 2010 +0100
+++ b/hedgewars/uGearsRender.pas	Wed Dec 22 00:17:43 2010 -0500
@@ -1017,6 +1017,13 @@
                     Tint($FF, $FF, $FF, $FF);
                     end;
       gtNapalmBomb: DrawRotated(sprNapalmBomb, x, y, 0, DxDy2Angle(Gear^.dY, Gear^.dX));
+           gtFlake: if vobVelocity = 0 then
+                  //DrawSprite(sprFlake, x-SpritesData[sprFlake].Width div 2, y-SpritesData[sprFlake].Height div 2, Gear^.Timer)
+                  DrawSprite(sprFlake, x, y, Gear^.Timer)
+              else
+                  //DrawRotatedF(sprFlake, x-SpritesData[sprFlake].Width div 2, y-SpritesData[sprFlake].Height div 2, Gear^.Timer, 1, Gear^.DirAngle);
+                  DrawRotatedF(sprFlake, x, y, Gear^.Timer, 1, Gear^.DirAngle);
+
          end;
       if Gear^.RenderTimer and (Gear^.Tex <> nil) then DrawCentered(x + 8, y + 8, Gear^.Tex);
 end;
--- a/hedgewars/uRenderUtils.pas	Wed Dec 22 04:09:56 2010 +0100
+++ b/hedgewars/uRenderUtils.pas	Wed Dec 22 00:17:43 2010 -0500
@@ -175,7 +175,7 @@
 var textWidth, textHeight, x, y, w, h, i, j, pos, prevpos, line, numLines, edgeWidth, edgeHeight, cornerWidth, cornerHeight: LongInt;
     finalSurface, tmpsurf, rotatedEdge: PSDL_Surface;
     rect: TSDL_Rect;
-    chars: set of char = [#9,' ','.',';',':','?','!',','];
+    chars: set of char = [#9,' ',';',':','?','!',','];
     substr: shortstring;
     edge, corner, tail: TSPrite;
 begin
@@ -353,4 +353,4 @@
     SDL_FreeSurface(finalSurface);
 end;
 
-end.
\ No newline at end of file
+end.
--- a/hedgewars/uTypes.pas	Wed Dec 22 04:09:56 2010 +0100
+++ b/hedgewars/uTypes.pas	Wed Dec 22 00:17:43 2010 -0500
@@ -52,7 +52,7 @@
             sprCheese, sprHandCheese, sprHandFlamethrower, sprChunk, sprNote,
             sprSMineOff, sprSMineOn, sprHandSMine, sprHammer,
             sprHandResurrector, sprCross, sprAirDrill, sprNapalmBomb,
-            sprBulletHit, sprSnowball, sprHandSnowball
+            sprBulletHit, sprSnowball, sprHandSnowball, sprSnow
             );
 
     // Gears that interact with other Gears and/or Land
@@ -67,7 +67,7 @@
             gtSniperRifleShot, gtJetpack, gtMolotov, gtExplosives, gtBirdy, // 45
             gtEgg, gtPortal, gtPiano, gtGasBomb, gtSineGunShot, gtFlamethrower, // 51
             gtSMine, gtPoisonCloud, gtHammer, gtHammerHit, gtResurrector, // 56
-            gtNapalmBomb, gtSnowball); // 58
+            gtNapalmBomb, gtSnowball, gtFlake); // 58
 
     // Gears that are _only_ of visual nature (e.g. background stuff, visual effects, speechbubbles, etc.)
     TVisualGearType = (vgtFlake, vgtCloud, vgtExplPart, vgtExplPart2, vgtFire,
--- a/hedgewars/uVariables.pas	Wed Dec 22 04:09:56 2010 +0100
+++ b/hedgewars/uVariables.pas	Wed Dec 22 00:17:43 2010 -0500
@@ -139,6 +139,8 @@
     ScreenFadeValue : LongInt;
     ScreenFadeSpeed : LongInt;
 
+    Theme           : shortstring;
+
 {$IFDEF SDL13}
     SDLwindow       : PSDL_Window;
 {$ENDIF}
@@ -553,7 +555,9 @@
             (FileName:  'Snowball'; Path: ptCurrTheme; AltPath: ptGraphics; Texture: nil; Surface: nil;
             Width:  16; Height: 16; imageWidth: 0; imageHeight: 0; saveSurf: false; priority: tpMedium; getDimensions: false; getImageDimensions: true),// sprSnowball
             (FileName:  'amSnowball'; Path: ptCurrTheme; AltPath: ptHedgehog; Texture: nil; Surface: nil;
-            Width:  64; Height: 64; imageWidth: 0; imageHeight: 0; saveSurf: false; priority: tpMedium; getDimensions: false; getImageDimensions: true) // sprHandSnowball
+            Width:  64; Height: 64; imageWidth: 0; imageHeight: 0; saveSurf: false; priority: tpMedium; getDimensions: false; getImageDimensions: true),// sprHandSnowball
+            (FileName:  'Snow'; Path: ptCurrTheme; AltPath: ptGraphics; Texture: nil; Surface: nil;
+            Width:  4; Height: 4; imageWidth: 0; imageHeight: 0; saveSurf: true; priority: tpMedium; getDimensions: false; getImageDimensions: true) // sprSnow
             );