mirror of
https://github.com/ptitSeb/Serious-Engine
synced 2024-11-24 03:10:27 +01:00
457 lines
13 KiB
C++
457 lines
13 KiB
C++
/* Copyright (c) 2002-2012 Croteam Ltd.
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of version 2 of the GNU General Public License as published by
|
|
the Free Software Foundation
|
|
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License along
|
|
with this program; if not, write to the Free Software Foundation, Inc.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <math.h>
|
|
#include <assert.h>
|
|
#include <lwsurf.h>
|
|
#include <lwhost.h>
|
|
#include <lwserver.h>
|
|
#include <lwgeneric.h>
|
|
#include <crtdbg.h>
|
|
#include <stdarg.h>
|
|
#include "vecmat.h"
|
|
|
|
#include <lwmonitor.h>
|
|
#include <lwrender.h>
|
|
#include <lwio.h>
|
|
#include <lwdyna.h>
|
|
#include <lwshader.h>
|
|
#include <lwserver.h>
|
|
#include <lwmotion.h>
|
|
#include <lwpanel.h>
|
|
#include <lwxpanel.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <math.h>
|
|
|
|
#include "base.h"
|
|
|
|
#ifndef PI
|
|
#define PI 3.1415926535897932384
|
|
#endif
|
|
|
|
extern SurfaceInstance *_psiFirst = NULL; // linked list of surface instances
|
|
|
|
/*
|
|
======================================================================
|
|
Create()
|
|
|
|
Handler callback. Allocate and initialize instance data.
|
|
|
|
The create function allocates a blotch struct and returns the pointer
|
|
as the instance. Note that "Blotch *" is used throughout instead of
|
|
"LWInstance". This works since a LWInstance type is a generic pointer
|
|
and can safely be replaced with any specific pointer type. Instance
|
|
variables are initialized to some default values.
|
|
====================================================================== */
|
|
|
|
XCALL_( static LWInstance )
|
|
Create( void *priv, LWSurfaceID surf, LWError *err )
|
|
{
|
|
SurfaceInstance *psi;
|
|
|
|
psi = (SurfaceInstance*)calloc( 1, sizeof( SurfaceInstance ));
|
|
if ( !psi ) {
|
|
*err = "Couldn't allocate memory for instance.";
|
|
return NULL;
|
|
}
|
|
|
|
psi->si_idSurface = surf;
|
|
|
|
psi->si_psiNext = _psiFirst;
|
|
_psiFirst = psi;
|
|
|
|
return psi;
|
|
}
|
|
|
|
|
|
/*
|
|
======================================================================
|
|
Destroy()
|
|
|
|
Handler callback. Free resources allocated by Create().
|
|
====================================================================== */
|
|
|
|
XCALL_( static void )
|
|
Destroy( SurfaceInstance *inst )
|
|
{
|
|
SurfaceInstance **ppsi = &_psiFirst;
|
|
|
|
while(*ppsi!=NULL) {
|
|
if (*ppsi == inst) {
|
|
*ppsi = (*ppsi)->si_psiNext;
|
|
break;
|
|
}
|
|
ppsi = &((*ppsi)->si_psiNext);
|
|
}
|
|
|
|
free(inst);
|
|
}
|
|
|
|
|
|
/*
|
|
======================================================================
|
|
Copy()
|
|
|
|
Handler callback. Copy instance data.
|
|
====================================================================== */
|
|
|
|
XCALL_( static LWError )
|
|
Copy( SurfaceInstance *to, SurfaceInstance *from )
|
|
{
|
|
XCALL_INIT;
|
|
|
|
*to = *from;
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/*
|
|
======================================================================
|
|
Load()
|
|
|
|
Handler callback. Read instance data. Shader instance data is stored
|
|
in the SURF chunks of object files, but it isn't necessary to know
|
|
that to read and write the data.
|
|
====================================================================== */
|
|
|
|
XCALL_( static LWError )
|
|
Load( SurfaceInstance *inst, const LWLoadState *ls )
|
|
{
|
|
float af[3];
|
|
|
|
LWLOAD_I1( ls, inst->si_strShader, sizeof(inst->si_strShader));
|
|
LWLOAD_I1( ls, (char*)&inst->si_astrTextures, sizeof(inst->si_astrTextures));
|
|
|
|
for (int i=0; i<sizeof(inst->si_adColors)/sizeof(inst->si_adColors[0]); i++) {
|
|
LWLOAD_FP( ls, af, 3);
|
|
inst->si_adColors[i][0] = af[0];
|
|
inst->si_adColors[i][1] = af[1];
|
|
inst->si_adColors[i][2] = af[2];
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/*
|
|
======================================================================
|
|
Save()
|
|
|
|
Handler callback. Write instance data. The I/O functions in lwio.h
|
|
include one for reading and writing floats, but not doubles. We just
|
|
transfer our double-precision data to a float variable before calling
|
|
the LWSAVE_FP() macro.
|
|
====================================================================== */
|
|
|
|
XCALL_( static LWError )
|
|
Save( SurfaceInstance *inst, const LWSaveState *ss )
|
|
{
|
|
float af[3];
|
|
LWSAVE_I1( ss, inst->si_strShader, sizeof(inst->si_strShader));
|
|
LWSAVE_I1( ss, (char*)&inst->si_astrTextures, sizeof(inst->si_astrTextures));
|
|
|
|
for (int i=0; i<sizeof(inst->si_adColors)/sizeof(inst->si_adColors[0]); i++) {
|
|
af[0] = (float)inst->si_adColors[i][0];
|
|
af[1] = (float)inst->si_adColors[i][1];
|
|
af[2] = (float)inst->si_adColors[i][2];
|
|
LWSAVE_FP( ss, af, 3);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/*
|
|
======================================================================
|
|
DescLn()
|
|
|
|
Handler callback. Write a one-line text description of the instance
|
|
data. Since the string must persist after this is called, it's part
|
|
of the instance.
|
|
====================================================================== */
|
|
|
|
XCALL_( static const char * )
|
|
DescLn( SurfaceInstance *inst )
|
|
{
|
|
sprintf(inst->desc, "SE_Shader (%s)", inst->si_strShader);
|
|
return inst->desc;
|
|
}
|
|
|
|
|
|
XCALL_( static LWError )
|
|
Init( SurfaceInstance *inst, int mode )
|
|
{
|
|
|
|
return NULL;
|
|
}
|
|
XCALL_( static void )
|
|
Cleanup( SurfaceInstance *inst )
|
|
{
|
|
return;
|
|
}
|
|
XCALL_( static LWError )
|
|
NewTime( SurfaceInstance *inst, LWFrame f, LWTime t )
|
|
{
|
|
return NULL;
|
|
}
|
|
XCALL_( static unsigned int )
|
|
Flags( SurfaceInstance *inst )
|
|
{
|
|
return 0; // we don't actually do any rendering in LW
|
|
}
|
|
XCALL_( static void )
|
|
Evaluate( SurfaceInstance *inst, LWShaderAccess *sa )
|
|
{
|
|
}
|
|
|
|
|
|
/*
|
|
======================================================================
|
|
Handler()
|
|
|
|
Handler activation function. Check the version and fill in the
|
|
callback fields of the handler structure.
|
|
====================================================================== */
|
|
|
|
XCALL_(int) Handler_SurfaceParameters( long version, GlobalFunc *global, LWShaderHandler *local, void *serverData)
|
|
{
|
|
if ( version != LWSHADER_VERSION ) return AFUNC_BADVERSION;
|
|
|
|
(void*&)local->inst->create = Create;
|
|
(void*&)local->inst->destroy = Destroy;
|
|
(void*&)local->inst->load = Load;
|
|
(void*&)local->inst->save = Save;
|
|
(void*&)local->inst->copy = Copy;
|
|
(void*&)local->inst->descln = DescLn;
|
|
(void*&)local->rend->init = Init;
|
|
(void*&)local->rend->cleanup = Cleanup;
|
|
(void*&)local->rend->newTime = NewTime;
|
|
(void*&)local->evaluate = Evaluate;
|
|
(void*&)local->flags = Flags;
|
|
|
|
return AFUNC_OK;
|
|
}
|
|
|
|
|
|
/* interface stuff ----- */
|
|
|
|
static LWXPanelFuncs *xpanf;
|
|
static LWColorActivateFunc *colorpick;
|
|
static LWInstUpdate *lwupdate;
|
|
|
|
enum {
|
|
ID_SHADER = 0x8001,
|
|
ID_TEXTURE0, ID_TEXTURE1, ID_TEXTURE2, ID_TEXTURE3,
|
|
ID_TEXTURE4, ID_TEXTURE5, ID_TEXTURE6, ID_TEXTURE7,
|
|
ID_COLOR0, ID_COLOR1, ID_COLOR2, ID_COLOR3,
|
|
ID_COLOR4, ID_COLOR5, ID_COLOR6, ID_COLOR7
|
|
};
|
|
|
|
|
|
/*
|
|
======================================================================
|
|
handle_color()
|
|
|
|
Event callback for the color button. Called by LWXPanels. Opens the
|
|
user's installed color picker.
|
|
====================================================================== */
|
|
|
|
static void handle_color( LWXPanelID panel, int cid )
|
|
{
|
|
/* LWColorPickLocal local;
|
|
SurfaceInstance *inst;
|
|
int result;
|
|
|
|
inst = (SurfaceInstance *)xpanf->getData( panel, 0 );
|
|
|
|
local.result = 0;
|
|
local.title = "Surface Color";
|
|
local.red = ( float ) inst->color[ 0 ];
|
|
local.green = ( float ) inst->color[ 1 ];
|
|
local.blue = ( float ) inst->color[ 2 ];
|
|
local.data = NULL;
|
|
local.hotFunc = NULL;
|
|
|
|
result = colorpick( LWCOLORPICK_VERSION, &local );
|
|
if ( result == AFUNC_OK && local.result > 0 ) {
|
|
inst->color[ 0 ] = local.red;
|
|
inst->color[ 1 ] = local.green;
|
|
inst->color[ 2 ] = local.blue;
|
|
lwupdate( LWSHADER_HCLASS, inst );
|
|
}*/
|
|
}
|
|
|
|
|
|
/*
|
|
======================================================================
|
|
ui_get()
|
|
|
|
Xpanels callback for LWXP_VIEW panels. Returns a pointer to the data
|
|
for a given control value.
|
|
====================================================================== */
|
|
|
|
void *ui_get( SurfaceInstance *inst, unsigned long vid )
|
|
{
|
|
if (vid == ID_SHADER) {
|
|
return inst->si_strShader;
|
|
} else if (vid>=ID_COLOR0 && vid<=ID_COLOR7) {
|
|
return &inst->si_adColors[vid-ID_COLOR0];
|
|
} else if (vid>=ID_TEXTURE0 && vid<=ID_TEXTURE7) {
|
|
return inst->si_astrTextures[vid-ID_TEXTURE0];
|
|
} else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
======================================================================
|
|
ui_set()
|
|
|
|
Xpanels callback for LWXP_VIEW panels. Store a value in our instance
|
|
data.
|
|
====================================================================== */
|
|
|
|
int ui_set( SurfaceInstance *inst, unsigned long vid, void *value )
|
|
{
|
|
if (vid == ID_SHADER) {
|
|
strcpy(inst->si_strShader, (char*)value);
|
|
return 1;
|
|
} else if (vid>=ID_TEXTURE0 && vid<=ID_TEXTURE7) {
|
|
strcpy(inst->si_astrTextures[vid - ID_TEXTURE0], (char*)value);
|
|
return 1;
|
|
} else if (vid>=ID_COLOR0 && vid<=ID_COLOR7) {
|
|
double *ad = (double *)value;
|
|
inst->si_adColors[vid - ID_COLOR0][0] = ad[0];
|
|
inst->si_adColors[vid - ID_COLOR0][1] = ad[1];
|
|
inst->si_adColors[vid - ID_COLOR0][2] = ad[2];
|
|
return 1;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
======================================================================
|
|
ui_chgnotify()
|
|
|
|
XPanel callback. XPanels calls this when an event occurs that affects
|
|
the value of one of your controls. We use the instance update global
|
|
to tell Layout that our instance data has changed.
|
|
====================================================================== */
|
|
|
|
void ui_chgnotify( LWXPanelID panel, unsigned long cid, unsigned long vid,
|
|
int event )
|
|
{
|
|
void *dat;
|
|
|
|
if ( event == LWXPEVENT_VALUE )
|
|
if ( dat = xpanf->getData( panel, 0 ))
|
|
lwupdate( LWSHADER_HCLASS, dat );
|
|
}
|
|
|
|
|
|
/*
|
|
======================================================================
|
|
get_panel()
|
|
|
|
Create and initialize an LWXP_VIEW panel. Called by Interface().
|
|
====================================================================== */
|
|
|
|
LWXPanelID get_panel( SurfaceInstance *inst )
|
|
{
|
|
static LWXPanelControl xctl[] = {
|
|
{ ID_SHADER, "Shader", "string", },
|
|
{ ID_TEXTURE0, "Texture0", "string" },
|
|
{ ID_TEXTURE1, "Texture1", "string" },
|
|
{ ID_TEXTURE2, "Texture2", "string" },
|
|
{ ID_TEXTURE3, "Texture3", "string" },
|
|
{ ID_TEXTURE4, "Texture4", "string" },
|
|
{ ID_TEXTURE5, "Texture5", "string" },
|
|
{ ID_TEXTURE6, "Texture6", "string" },
|
|
{ ID_TEXTURE7, "Texture7", "string" },
|
|
{ ID_COLOR0, "Color0", "color" },
|
|
{ ID_COLOR1, "Color1", "color" },
|
|
{ ID_COLOR2, "Color2", "color" },
|
|
{ ID_COLOR3, "Color3", "color" },
|
|
{ ID_COLOR4, "Color4", "color" },
|
|
{ ID_COLOR5, "Color5", "color" },
|
|
{ ID_COLOR6, "Color6", "color" },
|
|
{ ID_COLOR7, "Color7", "color" },
|
|
{ 0 }
|
|
};
|
|
static LWXPanelDataDesc xdata[] = {
|
|
{ ID_SHADER, "Shader", "string" },
|
|
{ ID_COLOR0, "Color0", "float" },
|
|
{ ID_COLOR1, "Color1", "float" },
|
|
{ ID_COLOR2, "Color2", "float" },
|
|
{ ID_COLOR3, "Color3", "float" },
|
|
{ ID_COLOR4, "Color4", "float" },
|
|
{ ID_COLOR5, "Color5", "float" },
|
|
{ ID_COLOR6, "Color6", "float" },
|
|
{ ID_COLOR7, "Color7", "float" },
|
|
{ 0 }
|
|
};
|
|
static LWXPanelHint xhint[] = {
|
|
XpLABEL( 0, "SE Shader" ),
|
|
XpBUTNOTIFY( ID_COLOR0, handle_color ),
|
|
XpCHGNOTIFY( ui_chgnotify ),
|
|
XpEND
|
|
};
|
|
|
|
LWXPanelID panel;
|
|
|
|
if ( panel = xpanf->create( LWXP_VIEW, xctl )) {
|
|
xpanf->hint( panel, 0, xhint );
|
|
xpanf->describe( panel, xdata, (void *(__cdecl *)(void *,unsigned long))ui_get, (enum en_LWXPRefreshCodes (__cdecl *)(void *,unsigned long,void *))ui_set );
|
|
xpanf->viewInst( panel, inst );
|
|
xpanf->setData( panel, 0, inst );
|
|
}
|
|
|
|
return panel;
|
|
}
|
|
|
|
|
|
/*
|
|
======================================================================
|
|
Interface()
|
|
|
|
The interface activation function.
|
|
====================================================================== */
|
|
|
|
XCALL_(int) Interface_SurfaceParameters( long version, GlobalFunc *global, LWInterface *local, void *serverData)
|
|
{
|
|
_global = global ;
|
|
_serverData = serverData;
|
|
|
|
if ( version != LWINTERFACE_VERSION ) return AFUNC_BADVERSION;
|
|
|
|
(void*&)colorpick = global( LWCOLORACTIVATEFUNC_GLOBAL, GFUSE_TRANSIENT );
|
|
(void*&)lwupdate = global( LWINSTUPDATE_GLOBAL, GFUSE_TRANSIENT );
|
|
(void*&)xpanf = global( LWXPANELFUNCS_GLOBAL, GFUSE_TRANSIENT );
|
|
if ( !colorpick || !lwupdate || !xpanf ) return AFUNC_BADGLOBAL;
|
|
|
|
local->panel = get_panel( (SurfaceInstance*)local->inst );
|
|
local->options = NULL;
|
|
local->command = NULL;
|
|
|
|
return local->panel ? AFUNC_OK : AFUNC_BADGLOBAL;
|
|
}
|