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Remove more draw_sys_flags via a refactoring of system view saving code; this will lead to a simplification of system transitions

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git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@3383 8092fc87-c524-0410-9efc-e669fe64eaf9
This commit is contained in:
avolkov
2009-12-01 23:23:09 +00:00
parent 3453867e92
commit 11ae7a4334
1 changed files with 88 additions and 74 deletions
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sc2/src/uqm/planets/solarsys.c
+85 -71
View File
@@ -53,7 +53,7 @@
static BOOLEAN DoIpFlight (MENU_STATE *pMS);
static void DrawSystem (SIZE radius, BOOLEAN IsInnerSystem);
static FRAME CreateStarBackGround (void);
SOLARSYS_STATE *pSolarSysState;
FRAME SISIPFrame;
@@ -68,19 +68,22 @@ SIZE EncounterRace;
BYTE EncounterGroup;
// last encountered group info
#define DRAW_STARS (1 << 0)
// only ever cleared by DrawSimpleSystem() which is currently disabled
static FRAME StarsFrame;
// prepared star-field graphic
static FRAME SolarSysFrame;
// saved solar system view graphic
// Unused: #define DRAW_STARS (1 << 0)
// Unused: #define DRAW_PLANETS (1 << 1)
// Unused: #define DRAW_ORBITS (1 << 2)
#define DRAW_HYPER_COORDS (1 << 3)
// only ever cleared by DrawSimpleSystem() which is currently disabled
// Unused: #define DRAW_HYPER_COORDS (1 << 3)
#define UNBATCH_SYS (1 << 4)
#define DRAW_REFRESH (1 << 5)
// Unused: #define REPAIR_SCAN (1 << 6)
#define GRAB_BKGND (1 << 7)
// Unused: #define GRAB_BKGND (1 << 7)
static SIZE old_radius;
BYTE draw_sys_flags = DRAW_STARS | DRAW_HYPER_COORDS | GRAB_BKGND;
static BYTE draw_sys_flags = 0;
bool
@@ -324,6 +327,13 @@ initSolarSysSISCharacteristics (void)
}
}
static DWORD
seedRandomForSolarSys (void)
{
return TFB_SeedRandom (MAKE_DWORD (CurStarDescPtr->star_pt.x,
CurStarDescPtr->star_pt.y));
}
static BOOLEAN
LoadSolarSys (void)
{
@@ -341,8 +351,7 @@ LoadSolarSys (void)
BUILD_COLOR (MAKE_RGB15_INIT (0x0F, 0x08, 0x00), 0x75),
};
old_seed = TFB_SeedRandom (MAKE_DWORD (CurStarDescPtr->star_pt.x,
CurStarDescPtr->star_pt.y));
old_seed = seedRandomForSolarSys ();
SunFrame = SetAbsFrameIndex (SunFrame, STAR_TYPE (CurStarDescPtr->Type));
@@ -450,6 +459,9 @@ FreeSolarSys (void)
SaveSolarSysLocation ();
}
DestroyDrawable (ReleaseDrawable (SolarSysFrame));
SolarSysFrame = NULL;
StopMusic ();
// FreeIPData ();
@@ -597,7 +609,6 @@ ShowPlanet:
r.extent.height = SIS_SCREEN_HEIGHT;
ScreenTransition (3, &r);
UnbatchGraphics ();
LoadIntoExtraScreen (&r);
}
break;
}
@@ -766,7 +777,6 @@ ZoomSystem (void)
DrawSystem (pSolarSysState->SunDesc[0].radius, FALSE);
ScreenTransition (3, &r);
UnbatchGraphics ();
LoadIntoExtraScreen (&r);
}
static UWORD
@@ -966,16 +976,6 @@ UndrawShip (void)
CheckIntersect (FALSE);
}
static void
DrawSimpleSystem (SIZE radius, BYTE notFlags)
{
BYTE oldFlags = draw_sys_flags;
draw_sys_flags &= notFlags;
DrawSystem (radius, FALSE);
draw_sys_flags = oldFlags;
}
static void
ScaleSystem (void)
{
@@ -987,51 +987,33 @@ ScaleSystem (void)
COUNT i;
SIZE new_radius;
SIZE d, step;
RECT r;
CONTEXT OldContext;
STAMP StarsStamp;
new_radius = pSolarSysState->SunDesc[0].radius;
assert (old_radius != 0);
assert (old_radius != new_radius);
GetContextClipRect (&r);
StarsStamp.origin.x = 0;
StarsStamp.origin.y = 0;
// Draw the stars background to off-screen frame
StarsStamp.frame = CaptureDrawable (CreateDrawable (WANT_PIXMAP,
r.extent.width, r.extent.height, 1));
OldContext = SetContext (OffScreenContext);
SetContextFGFrame (StarsStamp.frame);
SetContextClipRect (NULL);
DrawStarBackGround ();
SetContext (OldContext);
pSolarSysState->SunDesc[0].radius = old_radius;
d = new_radius - old_radius;
step = d / NUM_STEPS;
for (i = 0; i < NUM_STEPS; ++i)
for (i = 0; i < NUM_STEPS - 1; ++i)
{
pSolarSysState->SunDesc[0].radius += step;
BatchGraphics ();
DrawStamp (&StarsStamp);
DrawSimpleSystem (pSolarSysState->SunDesc[0].radius,
~(DRAW_STARS | GRAB_BKGND | DRAW_HYPER_COORDS));
DrawSystem (pSolarSysState->SunDesc[0].radius, FALSE);
RedrawQueue (FALSE);
UnbatchGraphics ();
SleepThread (ONE_SECOND / 30);
}
// Final zoom step
pSolarSysState->SunDesc[0].radius = new_radius;
DrawSystem (pSolarSysState->SunDesc[0].radius, FALSE);
DestroyDrawable (ReleaseDrawable (StarsStamp.frame));
old_radius = 0;
#else // !SMOOTH_SYSTEM_ZOOM
RECT r;
@@ -1042,7 +1024,6 @@ ScaleSystem (void)
DrawSystem (pSolarSysState->SunDesc[0].radius, FALSE);
ScreenTransition (3, &r);
UnbatchGraphics ();
LoadIntoExtraScreen (&r);
old_radius = 0;
#endif // SMOOTH_SYSTEM_ZOOM
@@ -1051,13 +1032,12 @@ ScaleSystem (void)
static void
RestoreSystemView (void)
{
CONTEXT oldContext;
RECT r;
STAMP s;
oldContext = SetContext (SpaceContext);
GetContextClipRect (&r);
DrawFromExtraScreen (&r);
SetContext (oldContext);
s.origin.x = 0;
s.origin.y = 0;
s.frame = SolarSysFrame;
DrawStamp (&s);
}
/* Constants and routines for handling interplanetary play. */
@@ -1138,7 +1118,6 @@ IP_frame (void)
}
else if (draw_sys_flags & DRAW_REFRESH)
{
// must set rect for LoadIntoExtraScreen below
r.corner.x = SIS_ORG_X;
r.corner.y = SIS_ORG_Y;
r.extent.width = SIS_SCREEN_WIDTH;
@@ -1158,13 +1137,7 @@ IP_frame (void)
UnbatchGraphics ();
}
// Save the system image if we left inner system, or we forced a redraw
if ((startedInInner && !playerInInnerSystem ())
|| (draw_sys_flags & DRAW_REFRESH))
{
LoadIntoExtraScreen (&r);
draw_sys_flags &= ~DRAW_REFRESH;
}
UnlockMutex (GraphicsLock);
}
@@ -1359,6 +1332,8 @@ InitSolarSys (void)
XFormIPLoc (&GLOBAL (ShipStamp.origin), &GLOBAL (ip_location), FALSE);
}
StarsFrame = CreateStarBackGround ();
orbital = LoadSolarSys ();
InnerSystem = ValidateOrbits ();
@@ -1423,7 +1398,6 @@ InitSolarSys (void)
draw_sys_flags &= ~UNBATCH_SYS;
ScreenTransition (3, NULL);
UnbatchGraphics ();
LoadIntoExtraScreen (NULL);
}
else
{
@@ -1491,6 +1465,9 @@ UninitSolarSys (void)
//FreeLanderData ();
//FreeIPData ();
DestroyDrawable (ReleaseDrawable (StarsFrame));
StarsFrame = NULL;
if (GLOBAL (CurrentActivity) & END_INTERPLANETARY)
{
endInterPlanetary ();
@@ -1519,9 +1496,22 @@ DrawSystem (SIZE radius, BOOLEAN IsInnerSystem)
BYTE i;
PLANET_DESC *pCurDesc;
PLANET_DESC *pBaseDesc;
CONTEXT oldContext;
STAMP s;
if (!SolarSysFrame)
{ // Create the saved view graphic
RECT clipRect;
GetContextClipRect (&clipRect);
SolarSysFrame = CaptureDrawable (CreateDrawable (WANT_PIXMAP,
clipRect.extent.width, clipRect.extent.height, 1));
}
oldContext = SetContext (OffScreenContext);
SetContextFGFrame (SolarSysFrame);
SetContextClipRect (NULL);
BatchGraphics ();
if (draw_sys_flags & DRAW_STARS)
DrawStarBackGround ();
if (!IsInnerSystem)
@@ -1533,12 +1523,14 @@ DrawSystem (SIZE radius, BOOLEAN IsInnerSystem)
{
pBaseDesc = pSolarSysState->pBaseDesc;
// Draw the inner system view planet orbit segment + planet image
pCurDesc = pBaseDesc->pPrevDesc;
pSolarSysState->pOrbitalDesc = pCurDesc;
DrawOrbit (pCurDesc, DISPLAY_FACTOR << 2, DISPLAY_FACTOR,
DISPLAY_FACTOR << 1, radius);
}
// Draw the planet or moon orbits
for (i = pBaseDesc->pPrevDesc->NumPlanets,
pCurDesc = pBaseDesc; i; --i, ++pCurDesc)
{
@@ -1603,38 +1595,56 @@ DrawSystem (SIZE radius, BOOLEAN IsInnerSystem)
&GLOBAL (ShipStamp.origin),
TRUE);
if (draw_sys_flags & DRAW_HYPER_COORDS)
DrawHyperCoords (CurStarDescPtr->star_pt);
}
UnbatchGraphics ();
SetContext (oldContext);
if (draw_sys_flags & GRAB_BKGND)
{
RECT r;
GetContextClipRect (&r);
LoadIntoExtraScreen (&r);
}
// Draw the now-saved view graphic
s.origin.x = 0;
s.origin.y = 0;
s.frame = SolarSysFrame;
DrawStamp (&s);
// pSolarSysState->WaitIntersect = TRUE;
}
void
DrawStarBackGround (void)
{
STAMP s;
s.origin.x = 0;
s.origin.y = 0;
s.frame = StarsFrame;
DrawStamp (&s);
}
static FRAME
CreateStarBackGround (void)
{
COUNT i, j;
DWORD rand_val;
STAMP s;
DWORD old_seed;
CONTEXT oldContext;
RECT clipRect;
FRAME frame;
oldContext = SetContext (SpaceContext);
GetContextClipRect (&clipRect);
// Prepare a pre-drawn stars frame for this system
frame = CaptureDrawable (CreateDrawable (WANT_PIXMAP,
clipRect.extent.width, clipRect.extent.height, 1));
SetContext (OffScreenContext);
SetContextFGFrame (frame);
SetContextClipRect (NULL);
SetContextBackGroundColor (BLACK_COLOR);
ClearDrawable ();
old_seed = TFB_SeedRandom (
MAKE_DWORD (CurStarDescPtr->star_pt.x,
CurStarDescPtr->star_pt.y));
old_seed = seedRandomForSolarSys ();
#define NUM_DIM_PIECES 8
s.frame = SpaceJunkFrame;
@@ -1667,6 +1677,10 @@ DrawStarBackGround (void)
}
TFB_SeedRandom (old_seed);
SetContext (oldContext);
return frame;
}
void