GFX: Fix lift down and velocities

[d2df-sdl.git] / src / game / g_gfx.pas

diff --git a/src/game/g_gfx.pas b/src/game/g_gfx.pas
index e4c46f199d17a9bf74a2180be95d1ff5e4fc0c4c..52c885692f6a5b61f994ce3f4942a954c0718043 100644 (file)
--- a/src/game/g_gfx.pas
+++ b/src/game/g_gfx.pas
@@ -110,7 +110,7 @@ type
     particleType: TPartType;
     red, green, blue: Byte;
     alpha: Byte;
-    time, liveTime: Word;
+    time, liveTime, waitTime: Word;
     stickDX: Integer; // STATE_STICK: -1,1: stuck to a wall; 0: stuck to ceiling
     justSticked: Boolean; // not used
     floorY: Integer; // actually, floor-1; `Unknown`: unknown
@@ -341,11 +341,16 @@ begin
   begin
     if ((pan.PanelType and PANEL_LIFTUP) <> 0) then
     begin
-      if (velY > -4-Random(3)) then velY -= 0.8;
+      if (velY > -1-Random(3)) then velY -= 0.8;
       if (abs(velX) > 0.1) then velX -= velX/10.0;
       velX += (Random-Random)*0.2;
       accelY := 0.15;
     end
+    else if ((pan.PanelType and PANEL_LIFTDOWN) <> 0) then
+    begin
+      if (velY < 1+Random(3)) then velY += 0.8;
+      accelY := 0.15;
+    end
     else if ((pan.PanelType and PANEL_LIFTLEFT) <> 0) then
     begin
       if (velX > -8-Random(3)) then velX -= 0.8;
@@ -866,7 +871,10 @@ _done:
   begin
     if (env = TEnvType.ELiquid) then
     begin
-      time += 1;
+      if waitTime > 0 then
+        waitTime -= 1
+      else
+        time += 1;
       if (liveTime <= 0) then begin die(); exit; end;
       ex := 255-trunc(255.0*time/liveTime);
       if (ex <= 10) then begin die(); exit; end;
@@ -878,7 +886,10 @@ _done:
   begin
     // water will disappear in any liquid
     if (env = TEnvType.ELiquid) then begin die(); exit; end;
-    time += 1;
+    if waitTime > 0 then
+      waitTime -= 1
+    else
+      time += 1;
     // dry water
     if (liveTime <= 0) then begin die(); exit; end;
     ex := 255-trunc(255.0*time/liveTime);
@@ -984,6 +995,7 @@ begin
       state := TPartState.Normal;
       time := 0;
       liveTime := 120+Random(40);
+      waitTime := 20;
       floorY := Unknown;
       ceilingY := Unknown;
     end;
@@ -1110,6 +1122,7 @@ begin
       state := TPartState.Normal;
       time := 0;
       liveTime := 60+Random(60);
+      waitTime := 120;
       floorY := Unknown;
       ceilingY := Unknown;
     end;
@@ -1148,7 +1161,10 @@ begin
 
   if (velY > -4) then velY += accelY;
 
-  time += 1;
+  if waitTime > 0 then
+    waitTime -= 1
+  else
+    time += 1;
 end;
 
 
@@ -1223,6 +1239,7 @@ begin
       particleType := TPartType.Bubbles;
       time := 0;
       liveTime := 65535;
+      waitTime := 0;
     end;
 
     if (CurrentParticle >= MaxParticles-1) then CurrentParticle := 0 else CurrentParticle += 1;
@@ -1316,7 +1333,10 @@ _done:
 
   //writeln('spark1: pos=(', x, ',', y, '); delta=(', velX:6:3, ',', velY:6:3, '); state=', state, '; ceilingY=', ceilingY, '; floorY=', floorY);
 
-  time += 1;
+  if waitTime > 0 then
+    waitTime -= 1
+  else
+    time += 1;
 end;
 
 
@@ -1383,6 +1403,7 @@ begin
       state := TPartState.Normal;
       time := 0;
       liveTime := 30+Random(60);
+      waitTime := 0;
       floorY := Unknown;
       ceilingY := Unknown;
     end;
@@ -1458,6 +1479,7 @@ begin
       state := TPartState.Normal;
       time := 0;
       liveTime := 30+Random(60);
+      waitTime := 0;
       floorY := Unknown;
       ceilingY := Unknown;
     end;