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Merge branch 'am-line' into 'master'

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Automap fixes

See merge request STJr/SRB2!735
This commit is contained in:
Jaime Passos 2020-02-01 03:22:53 -05:00
commit 77f373c903
3 changed files with 107 additions and 27 deletions
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124
src/am_map.c
View file

@ -160,6 +160,7 @@ static boolean am_stopped = true;
static INT32 f_x, f_y; // location of window on screen (always zero for both)
static INT32 f_w, f_h; // size of window on screen (always the screen width and height respectively)
static boolean m_keydown[4]; // which window panning keys are being pressed down?
static mpoint_t m_paninc; // how far the window pans each tic (map coords)
static fixed_t mtof_zoommul; // how far the window zooms in each tic (map coords)
static fixed_t ftom_zoommul; // how far the window zooms in each tic (fb coords)
@ -205,6 +206,7 @@ static boolean followplayer = true; // specifies whether to follow the player ar
typedef void (*AMDRAWFLINEFUNC) (const fline_t *fl, INT32 color);
static AMDRAWFLINEFUNC AM_drawFline;
static void AM_drawPixel(INT32 xx, INT32 yy, INT32 cc);
static void AM_drawFline_soft(const fline_t *fl, INT32 color);
static void AM_activateNewScale(void)
@ -344,22 +346,22 @@ static void AM_initVariables(void)
old_m_h = m_h;
}
//
// Called when the screen size changes.
//
static void AM_FrameBufferInit(void)
{
f_x = f_y = 0;
f_w = vid.width;
f_h = vid.height;
}
//
// should be called at the start of every level
// right now, i figure it out myself
//
static void AM_LevelInit(void)
{
f_x = f_y = 0;
f_w = vid.width;
f_h = vid.height;
AM_drawFline = AM_drawFline_soft;
#ifdef HWRENDER
if (rendermode == render_opengl)
AM_drawFline = HWR_drawAMline;
#endif
AM_findMinMaxBoundaries();
scale_mtof = FixedDiv(min_scale_mtof*10, 7*FRACUNIT);
if (scale_mtof > max_scale_mtof)
@ -381,7 +383,7 @@ void AM_Stop(void)
*
* \sa AM_Stop
*/
static inline void AM_Start(void)
void AM_Start(void)
{
static INT32 lastlevel = -1;
@ -390,8 +392,12 @@ static inline void AM_Start(void)
am_stopped = false;
if (lastlevel != gamemap || am_recalc) // screen size changed
{
AM_LevelInit();
lastlevel = gamemap;
AM_FrameBufferInit();
if (lastlevel != gamemap)
{
AM_LevelInit();
lastlevel = gamemap;
}
am_recalc = false;
}
AM_initVariables();
@ -417,6 +423,28 @@ static void AM_maxOutWindowScale(void)
AM_activateNewScale();
}
//
// set window panning
//
static void AM_setWindowPanning(void)
{
// up and down
if (m_keydown[2]) // pan up
m_paninc.y = FTOM(F_PANINC);
else if (m_keydown[3]) // pan down
m_paninc.y = -FTOM(F_PANINC);
else
m_paninc.y = 0;
// left and right
if (m_keydown[0]) // pan right
m_paninc.x = FTOM(F_PANINC);
else if (m_keydown[1]) // pan left
m_paninc.x = -FTOM(F_PANINC);
else
m_paninc.x = 0;
}
/** Responds to user inputs in automap mode.
*
* \param ev Event to possibly respond to.
@ -449,35 +477,49 @@ boolean AM_Responder(event_t *ev)
{
case AM_PANRIGHTKEY: // pan right
if (!followplayer)
m_paninc.x = FTOM(F_PANINC);
{
m_keydown[0] = true;
AM_setWindowPanning();
}
else
rc = false;
break;
case AM_PANLEFTKEY: // pan left
if (!followplayer)
m_paninc.x = -FTOM(F_PANINC);
{
m_keydown[1] = true;
AM_setWindowPanning();
}
else
rc = false;
break;
case AM_PANUPKEY: // pan up
if (!followplayer)
m_paninc.y = FTOM(F_PANINC);
{
m_keydown[2] = true;
AM_setWindowPanning();
}
else
rc = false;
break;
case AM_PANDOWNKEY: // pan down
if (!followplayer)
m_paninc.y = -FTOM(F_PANINC);
{
m_keydown[3] = true;
AM_setWindowPanning();
}
else
rc = false;
break;
case AM_ZOOMOUTKEY: // zoom out
mtof_zoommul = M_ZOOMOUT;
ftom_zoommul = M_ZOOMIN;
AM_setWindowPanning();
break;
case AM_ZOOMINKEY: // zoom in
mtof_zoommul = M_ZOOMIN;
ftom_zoommul = M_ZOOMOUT;
AM_setWindowPanning();
break;
case AM_TOGGLEKEY:
AM_Stop();
@ -491,6 +533,7 @@ boolean AM_Responder(event_t *ev)
}
else
AM_restoreScaleAndLoc();
AM_setWindowPanning();
break;
case AM_FOLLOWKEY:
followplayer = !followplayer;
@ -510,14 +553,32 @@ boolean AM_Responder(event_t *ev)
switch (ev->data1)
{
case AM_PANRIGHTKEY:
if (!followplayer)
{
m_keydown[0] = false;
AM_setWindowPanning();
}
break;
case AM_PANLEFTKEY:
if (!followplayer)
m_paninc.x = 0;
{
m_keydown[1] = false;
AM_setWindowPanning();
}
break;
case AM_PANUPKEY:
if (!followplayer)
{
m_keydown[2] = false;
AM_setWindowPanning();
}
break;
case AM_PANDOWNKEY:
if (!followplayer)
m_paninc.y = 0;
{
m_keydown[3] = false;
AM_setWindowPanning();
}
break;
case AM_ZOOMOUTKEY:
case AM_ZOOMINKEY:
@ -718,6 +779,17 @@ static boolean AM_clipMline(const mline_t *ml, fline_t *fl)
}
#undef DOOUTCODE
//
// Draws a pixel.
//
static void AM_drawPixel(INT32 xx, INT32 yy, INT32 cc)
{
UINT8 *dest = screens[0];
if (xx < 0 || yy < 0 || xx >= vid.width || yy >= vid.height)
return; // off the screen
dest[(yy*vid.width) + xx] = cc;
}
//
// Classic Bresenham w/ whatever optimizations needed for speed
//
@ -739,8 +811,6 @@ static void AM_drawFline_soft(const fline_t *fl, INT32 color)
}
#endif
#define PUTDOT(xx,yy,cc) V_DrawFill(xx,yy,1,1,cc|V_NOSCALESTART);
dx = fl->b.x - fl->a.x;
ax = 2 * (dx < 0 ? -dx : dx);
sx = dx < 0 ? -1 : 1;
@ -757,7 +827,7 @@ static void AM_drawFline_soft(const fline_t *fl, INT32 color)
d = ay - ax/2;
for (;;)
{
PUTDOT(x, y, color)
AM_drawPixel(x, y, color);
if (x == fl->b.x)
return;
if (d >= 0)
@ -774,7 +844,7 @@ static void AM_drawFline_soft(const fline_t *fl, INT32 color)
d = ax - ay/2;
for (;;)
{
PUTDOT(x, y, color)
AM_drawPixel(x, y, color);
if (y == fl->b.y)
return;
if (d >= 0)
@ -786,8 +856,6 @@ static void AM_drawFline_soft(const fline_t *fl, INT32 color)
d += ax;
}
}
#undef PUTDOT
}
//
@ -1100,6 +1168,12 @@ void AM_Drawer(void)
if (!automapactive)
return;
AM_drawFline = AM_drawFline_soft;
#ifdef HWRENDER
if (rendermode == render_opengl)
AM_drawFline = HWR_drawAMline;
#endif
AM_clearFB(BACKGROUND);
if (draw_grid) AM_drawGrid(GRIDCOLORS);
AM_drawWalls();

3
src/am_map.h
View file

@ -38,6 +38,9 @@ void AM_Ticker(void);
// Called by main loop, instead of view drawer if automap is active.
void AM_Drawer(void);
// Enables the automap.
void AM_Start(void);
// Called to force the automap to quit if the level is completed while it is up.
void AM_Stop(void);

7
src/screen.c
View file

@ -360,10 +360,13 @@ void SCR_Recalc(void)
vid.fsmalldupy = vid.smalldupy*FRACUNIT;
#endif
// toggle off automap because some screensize-dependent values will
// toggle off (then back on) the automap because some screensize-dependent values will
// be calculated next time the automap is activated.
if (automapactive)
AM_Stop();
{
am_recalc = true;
AM_Start();
}
// set the screen[x] ptrs on the new vidbuffers
V_Init();