3d:: mouse aiming

config.cpp

@@ -363,6 +363,7 @@ void initConfig() {
   addsaver(sightranges[gCell120], "sight-120cell", 2 * M_PI);
   addsaver(sightranges[gECell120], "sight-120cell-elliptic", M_PI);
   addsaver(smooth_scrolling, "smooth-scrolling", false);
+  addsaver(mouseaim_sensitivity, "mouseaim_sensitivity", 0.01);
 
   addsaver(vid.consider_shader_projection, "shader-projection", true);
   

control.cpp

@@ -492,6 +492,10 @@ void resize_screen_to(int x, int y) {
   setvideomode();
   }
 
+bool mousepan, oldmousepan;
+ld mouseaim_x, mouseaim_y;
+ld mouseaim_sensitivity = 0.01;
+
 void mainloopiter() {
 
   DEBB(DF_GRAPH, (debugfile,"main loop\n"));
@@ -524,6 +528,22 @@ void mainloopiter() {
     cwtV = gmatrix[cwt.at] * ddspin(cwt.at, cwt.spin);
     if(cwt.mirrored) playerV = playerV * Mirror;
     }
+  
+  mousepan = normal && DIM == 3;
+  if(mousepan != oldmousepan) {
+    oldmousepan = mousepan;
+    if(mousepan) {    
+      SDL_WM_GrabInput(SDL_GRAB_ON);
+      SDL_ShowCursor(SDL_DISABLE);
+      mouseaim_x = mouseaim_y = 0;
+      }
+    else {
+      SDL_WM_GrabInput( SDL_GRAB_OFF );
+      SDL_ShowCursor(SDL_ENABLE);
+      SDL_WarpMouse(vid.xres/2, vid.yres/2);
+      mouseaim_x = mouseaim_y = 0;      
+      }
+    }
 
 #if ISWEB
   timetowait = 0;
@@ -581,6 +601,11 @@ void mainloopiter() {
   SDL_Event ev;
   DEBB(DF_GRAPH, (debugfile,"polling for events\n"));
   
+  if(DIM == 3 && !shmup::on && !rug::rugged) {
+    View = cspin(0, 2, -mouseaim_x) * cspin(1, 2, -mouseaim_y) * View;
+    mouseaim_x = mouseaim_y = 0;
+    }
+  
   if(smooth_scrolling && !shmup::on && !rug::rugged) {
     static int lastticks;
     ld t = (ticks - lastticks) * shiftmul / 1000.;
@@ -796,6 +821,13 @@ void handle_event(SDL_Event& ev) {
       mousex = ev.motion.x;
       mousey = ev.motion.y;
       
+      if(mousepan) {
+        mousex = vid.xres/2;
+        mousey = vid.yres/2;      
+        mouseaim_x += ev.motion.xrel * mouseaim_sensitivity;
+        mouseaim_y += ev.motion.yrel * mouseaim_sensitivity;
+        }
+      
       need_mouseh = true;
 
       if(holdmouse && getcstat == '-') sym = uni = getcstat, fix_mouseh();

hyper.h

@@ -2473,6 +2473,7 @@ void initquickqueue();
 void quickqueue();
 int darkenedby(int c, int lev);
 extern int mousex, mousey;
+extern ld mouseaim_x, mouseaim_y, mouseaim_sensitivity;
 string generateHelpForItem(eItem it);
 bool graphglyph();
 extern bool hiliteclick;

shmup.cpp

@@ -764,12 +764,23 @@ void handleInput(int delta) {
   
   if(actionspressed[58] && !lactionpressed[58]) 
     pushScreen(showMainMenu);
+    
+  panx *= d;
+  pany *= d;
+  panspin *= d;
+  panmove *= d;
   
+  if(lctrlclick) {
+    panx += mouseaim_x / 2;
+    pany += mouseaim_y / 2;
+    mouseaim_x = mouseaim_y = 0;
+    }
+
   if(panx || pany || panspin || (DIM == 3 && panmove)) {
     if(DIM == 2)
-      View = xpush(-panx * d) * ypush(-pany * d) * spin(panspin * d) * View;
+      View = xpush(-panx) * ypush(-pany) * spin(panspin) * View;
     else
-      View = cspin(0, 2, panx/10) * cspin(0, 1, pany/10) * spin(panspin * d) * cpush(2, panmove/10) * View;
+      View = cspin(0, 2, panx*2) * cspin(0, 1, pany*2) * spin(panspin) * cpush(2, panmove*2) * View;
     playermoved = false;
     }
 #endif
@@ -1710,6 +1721,12 @@ void movePlayer(monster *m, int delta) {
     playerstrafe[cpid] = mturn * SCALE * delta / 600;
     playerturn[cpid] = mdx * SCALE * delta / 200;
     playerturny[cpid] = mdy * SCALE * delta / 200;
+
+    if(!lctrlclick) {
+      playerturn[cpid] += mouseaim_x;
+      playerturny[cpid] += mouseaim_y;
+      mouseaim_x = mouseaim_y = 0;
+      }
     }
   
   if(playergo[cpid] && markOrb(itOrbDash)) playergo[cpid] *= 1.5;