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Diffstat (limited to 'source/blender/editors/space_view3d/view3d_view.c')
-rw-r--r--source/blender/editors/space_view3d/view3d_view.c823
1 files changed, 812 insertions, 11 deletions
diff --git a/source/blender/editors/space_view3d/view3d_view.c b/source/blender/editors/space_view3d/view3d_view.c
index 7831d604ddf..f722a97963d 100644
--- a/source/blender/editors/space_view3d/view3d_view.c
+++ b/source/blender/editors/space_view3d/view3d_view.c
@@ -56,9 +56,11 @@
#include "BKE_object.h"
#include "BKE_global.h"
#include "BKE_main.h"
+#include "BKE_report.h"
#include "BKE_scene.h"
#include "BKE_screen.h"
#include "BKE_utildefines.h"
+#include "BKE_depsgraph.h" /* for fly mode updating */
#include "RE_pipeline.h" // make_stars
@@ -110,7 +112,7 @@ void view3d_operator_needs_opengl(const bContext *C)
float *give_cursor(Scene *scene, View3D *v3d)
{
- if(v3d && v3d->localview) return v3d->cursor;
+ if(v3d && v3d->localvd) return v3d->cursor;
else return scene->cursor;
}
@@ -384,26 +386,31 @@ void VIEW3D_OT_smoothview(wmOperatorType *ot)
ot->poll= ED_operator_view3d_active;
}
-static int view3d_setcameratoview_exec(bContext *C, wmOperator *op)
+static void setcameratoview3d(View3D *v3d, RegionView3D *rv3d, Object *ob)
{
- View3D *v3d = CTX_wm_view3d(C);
- RegionView3D *rv3d= CTX_wm_region_view3d(C);
- Object *ob;
float dvec[3];
- ob= v3d->camera;
dvec[0]= rv3d->dist*rv3d->viewinv[2][0];
dvec[1]= rv3d->dist*rv3d->viewinv[2][1];
dvec[2]= rv3d->dist*rv3d->viewinv[2][2];
VECCOPY(ob->loc, dvec);
- VecSubf(ob->loc, ob->loc, v3d->ofs);
+ VecSubf(ob->loc, ob->loc, rv3d->ofs);
rv3d->viewquat[0]= -rv3d->viewquat[0];
QuatToEul(rv3d->viewquat, ob->rot);
rv3d->viewquat[0]= -rv3d->viewquat[0];
ob->recalc= OB_RECALC_OB;
+}
+
+
+static int view3d_setcameratoview_exec(bContext *C, wmOperator *op)
+{
+ View3D *v3d = CTX_wm_view3d(C);
+ RegionView3D *rv3d= CTX_wm_region_view3d(C);
+
+ setcameratoview3d(v3d, rv3d, v3d->camera);
WM_event_add_notifier(C, NC_OBJECT|ND_TRANSFORM, CTX_data_scene(C));
@@ -1303,7 +1310,6 @@ static void initlocalview(Scene *scene, ScrArea *sa)
base->object->lay= base->lay;
}
}
- v3d->localview= 0;
}
}
@@ -1325,7 +1331,6 @@ static void restore_localviewdata(ScrArea *sa, int free)
if(free) {
MEM_freeN(v3d->localvd);
v3d->localvd= NULL;
- v3d->localview= 0;
}
for(ar= sa->regionbase.first; ar; ar= ar->next) {
@@ -1416,8 +1421,6 @@ static void SaveState(bContext *C)
glPushAttrib(GL_ALL_ATTRIB_BITS);
- GPU_state_init();
-
if(obact && obact->mode & OB_MODE_TEXTURE_PAINT)
GPU_paint_set_mipmap(1);
@@ -1446,6 +1449,8 @@ static void RestoreState(bContext *C)
win->queue= queue_back;
+ GPU_state_init();
+
glPopAttrib();
}
@@ -1574,6 +1579,802 @@ void VIEW3D_OT_game_start(wmOperatorType *ot)
ot->poll= game_engine_poll;
}
+
+/* NOTE: these defines are saved in keymap files, do not change values but just add new ones */
+#define FLY_MODAL_CANCEL 1
+#define FLY_MODAL_CONFIRM 2
+#define FLY_MODAL_ACCELERATE 3
+#define FLY_MODAL_DECELERATE 4
+#define FLY_MODAL_PAN_ENABLE 5
+#define FLY_MODAL_PAN_DISABLE 6
+#define FLY_MODAL_DIR_FORWARD 7
+#define FLY_MODAL_DIR_BACKWARD 8
+#define FLY_MODAL_DIR_LEFT 9
+#define FLY_MODAL_DIR_RIGHT 10
+#define FLY_MODAL_DIR_UP 11
+#define FLY_MODAL_DIR_DOWN 12
+#define FLY_MODAL_AXIS_LOCK_X 13
+#define FLY_MODAL_AXIS_LOCK_Z 14
+#define FLY_MODAL_PRECISION_ENABLE 15
+#define FLY_MODAL_PRECISION_DISABLE 16
+
+/* called in transform_ops.c, on each regeneration of keymaps */
+void fly_modal_keymap(wmWindowManager *wm)
+{
+ static EnumPropertyItem modal_items[] = {
+ {FLY_MODAL_CANCEL, "CANCEL", 0, "Cancel", ""},
+ {FLY_MODAL_CONFIRM, "CONFIRM", 0, "Confirm", ""},
+ {FLY_MODAL_ACCELERATE, "ACCELERATE", 0, "Accelerate", ""},
+ {FLY_MODAL_DECELERATE, "DECELERATE", 0, "Decelerate", ""},
+
+ {FLY_MODAL_PAN_ENABLE, "PAN_ENABLE", 0, "Pan Enable", ""},
+ {FLY_MODAL_PAN_DISABLE, "PAN_DISABLE", 0, "Pan Disable", ""},
+
+ {FLY_MODAL_DIR_FORWARD, "FORWARD", 0, "Fly Forward", ""},
+ {FLY_MODAL_DIR_BACKWARD,"BACKWARD", 0, "Fly Backward", ""},
+ {FLY_MODAL_DIR_LEFT, "LEFT", 0, "Fly Left", ""},
+ {FLY_MODAL_DIR_RIGHT, "RIGHT", 0, "Fly Right", ""},
+ {FLY_MODAL_DIR_UP, "UP", 0, "Fly Up", ""},
+ {FLY_MODAL_DIR_DOWN, "DOWN", 0, "Fly Down", ""},
+
+ {FLY_MODAL_AXIS_LOCK_X, "AXIS_LOCK_X", 0, "X Axis Correction", "X axis correction (toggle)"},
+ {FLY_MODAL_AXIS_LOCK_Z, "AXIS_LOCK_Z", 0, "X Axis Correction", "Z axis correction (toggle)"},
+
+ {FLY_MODAL_PRECISION_ENABLE, "PRECISION_ENABLE", 0, "Precision Enable", ""},
+ {FLY_MODAL_PRECISION_DISABLE, "PRECISION_DISABLE", 0, "Precision Disable", ""},
+
+ {0, NULL, 0, NULL, NULL}};
+
+ wmKeyMap *keymap= WM_modalkeymap_get(wm, "View3D Fly Modal");
+
+ /* this function is called for each spacetype, only needs to add map once */
+ if(keymap) return;
+
+ keymap= WM_modalkeymap_add(wm, "View3D Fly Modal", modal_items);
+
+ /* items for modal map */
+ WM_modalkeymap_add_item(keymap, ESCKEY, KM_PRESS, KM_ANY, 0, FLY_MODAL_CANCEL);
+ WM_modalkeymap_add_item(keymap, RIGHTMOUSE, KM_ANY, KM_ANY, 0, FLY_MODAL_CANCEL);
+
+ WM_modalkeymap_add_item(keymap, LEFTMOUSE, KM_ANY, KM_ANY, 0, FLY_MODAL_CONFIRM);
+ WM_modalkeymap_add_item(keymap, RETKEY, KM_PRESS, KM_ANY, 0, FLY_MODAL_CONFIRM);
+ WM_modalkeymap_add_item(keymap, PADENTER, KM_PRESS, KM_ANY, 0, FLY_MODAL_CONFIRM);
+
+ WM_modalkeymap_add_item(keymap, PADPLUSKEY, KM_PRESS, 0, 0, FLY_MODAL_ACCELERATE);
+ WM_modalkeymap_add_item(keymap, PADMINUS, KM_PRESS, 0, 0, FLY_MODAL_DECELERATE);
+ WM_modalkeymap_add_item(keymap, WHEELUPMOUSE, KM_PRESS, 0, 0, FLY_MODAL_ACCELERATE);
+ WM_modalkeymap_add_item(keymap, WHEELDOWNMOUSE, KM_PRESS, 0, 0, FLY_MODAL_DECELERATE);
+
+ WM_modalkeymap_add_item(keymap, MIDDLEMOUSE, KM_PRESS, KM_ANY, 0, FLY_MODAL_PAN_ENABLE);
+ WM_modalkeymap_add_item(keymap, MIDDLEMOUSE, KM_RELEASE, KM_ANY, 0, FLY_MODAL_PAN_DISABLE); /* XXX - Bug in the event system, middle mouse release doesnt work */
+
+ /* WASD */
+ WM_modalkeymap_add_item(keymap, WKEY, KM_PRESS, 0, 0, FLY_MODAL_DIR_FORWARD);
+ WM_modalkeymap_add_item(keymap, SKEY, KM_PRESS, 0, 0, FLY_MODAL_DIR_BACKWARD);
+ WM_modalkeymap_add_item(keymap, AKEY, KM_PRESS, 0, 0, FLY_MODAL_DIR_LEFT);
+ WM_modalkeymap_add_item(keymap, DKEY, KM_PRESS, 0, 0, FLY_MODAL_DIR_RIGHT);
+ WM_modalkeymap_add_item(keymap, RKEY, KM_PRESS, 0, 0, FLY_MODAL_DIR_UP);
+ WM_modalkeymap_add_item(keymap, FKEY, KM_PRESS, 0, 0, FLY_MODAL_DIR_DOWN);
+
+ WM_modalkeymap_add_item(keymap, XKEY, KM_PRESS, 0, 0, FLY_MODAL_AXIS_LOCK_X);
+ WM_modalkeymap_add_item(keymap, ZKEY, KM_PRESS, 0, 0, FLY_MODAL_AXIS_LOCK_Z);
+
+ WM_modalkeymap_add_item(keymap, LEFTSHIFTKEY, KM_PRESS, KM_ANY, 0, FLY_MODAL_PRECISION_ENABLE);
+ WM_modalkeymap_add_item(keymap, LEFTSHIFTKEY, KM_RELEASE, KM_ANY, 0, FLY_MODAL_PRECISION_DISABLE);
+
+ /* assign map to operators */
+ WM_modalkeymap_assign(keymap, "VIEW3D_OT_fly");
+
+}
+
+typedef struct FlyInfo {
+ /* context stuff */
+ RegionView3D *rv3d;
+ View3D *v3d;
+ ARegion *ar;
+ Scene *scene;
+
+ wmTimer *timer; /* needed for redraws */
+
+ short state;
+ short use_precision;
+ short redraw;
+ short mval[2];
+
+ /* fly state state */
+ float speed; /* the speed the view is moving per redraw */
+ short axis; /* Axis index to move allong by default Z to move allong the view */
+ short pan_view; /* when true, pan the view instead of rotating */
+
+ /* relative view axis locking - xlock, zlock
+ 0; disabled
+ 1; enabled but not checking because mouse hasnt moved outside the margin since locking was checked an not needed
+ when the mouse moves, locking is set to 2 so checks are done.
+ 2; mouse moved and checking needed, if no view altering is donem its changed back to 1 */
+ short xlock, zlock;
+ float xlock_momentum, zlock_momentum; /* nicer dynamics */
+ float grid; /* world scale 1.0 default */
+
+ /* backup values */
+ float dist_backup; /* backup the views distance since we use a zero dist for fly mode */
+ float ofs_backup[3]; /* backup the views offset incase the user cancels flying in non camera mode */
+ float rot_backup[4]; /* backup the views quat incase the user cancels flying in non camera mode. (quat for view, eul for camera) */
+ short persp_backup; /* remember if were ortho or not, only used for restoring the view if it was a ortho view */
+
+ /* compare between last state */
+ double time_lastwheel; /* used to accelerate when using the mousewheel a lot */
+ double time_lastdraw; /* time between draws */
+
+ /* use for some lag */
+ float dvec_prev[3]; /* old for some lag */
+
+} FlyInfo;
+
+/* FlyInfo->state */
+#define FLY_RUNNING 0
+#define FLY_CANCEL 1
+#define FLY_CONFIRM 2
+
+int initFlyInfo (bContext *C, FlyInfo *fly, wmOperator *op, wmEvent *event)
+{
+ float upvec[3]; // tmp
+ float mat[3][3];
+
+ fly->rv3d= CTX_wm_region_view3d(C);
+ fly->v3d = CTX_wm_view3d(C);
+ fly->ar = CTX_wm_region(C);
+ fly->scene= CTX_data_scene(C);
+
+ if(fly->rv3d->persp==V3D_CAMOB && fly->v3d->camera->id.lib) {
+ BKE_report(op->reports, RPT_ERROR, "Cannot fly a camera from an external library");
+ return FALSE;
+ }
+
+ if(fly->v3d->ob_centre) {
+ BKE_report(op->reports, RPT_ERROR, "Cannot fly when the view is locked to an object");
+ return FALSE;
+ }
+
+ if(fly->rv3d->persp==V3D_CAMOB && fly->v3d->camera->constraints.first) {
+ BKE_report(op->reports, RPT_ERROR, "Cannot fly an object with constraints");
+ return FALSE;
+ }
+
+ fly->state= FLY_RUNNING;
+ fly->speed= 0.0f;
+ fly->axis= 2;
+ fly->pan_view= FALSE;
+ fly->xlock= FALSE;
+ fly->zlock= TRUE;
+ fly->xlock_momentum=0.0f;
+ fly->zlock_momentum=0.0f;
+ fly->grid= 1.0f;
+ fly->use_precision= 0;
+
+ fly->dvec_prev[0]= fly->dvec_prev[1]= fly->dvec_prev[2]= 0.0f;
+
+ fly->timer= WM_event_add_window_timer(CTX_wm_window(C), TIMER, 0.01f);
+
+
+ /* we have to rely on events to give proper mousecoords after a warp_pointer */
+//XXX2.5 warp_pointer(cent_orig[0], cent_orig[1]);
+ //fly->mval[0]= (fly->sa->winx)/2;
+ //fly->mval[1]= (fly->sa->winy)/2;
+
+ fly->mval[0] = event->x - fly->ar->winrct.xmin;
+ fly->mval[1] = event->y - fly->ar->winrct.ymin;
+
+
+ fly->time_lastdraw= fly->time_lastwheel= PIL_check_seconds_timer();
+
+ fly->rv3d->rflag |= RV3D_FLYMODE; /* so we draw the corner margins */
+
+ /* detect weather to start with Z locking */
+ upvec[0]=1.0f; upvec[1]=0.0f; upvec[2]=0.0f;
+ Mat3CpyMat4(mat, fly->rv3d->viewinv);
+ Mat3MulVecfl(mat, upvec);
+ if (fabs(upvec[2]) < 0.1)
+ fly->zlock = 1;
+ upvec[0]=0; upvec[1]=0; upvec[2]=0;
+
+ fly->persp_backup= fly->rv3d->persp;
+ fly->dist_backup= fly->rv3d->dist;
+ if (fly->rv3d->persp==V3D_CAMOB) {
+ /* store the origoinal camera loc and rot */
+ VECCOPY(fly->ofs_backup, fly->v3d->camera->loc);
+ VECCOPY(fly->rot_backup, fly->v3d->camera->rot);
+
+ where_is_object(fly->scene, fly->v3d->camera);
+ VECCOPY(fly->rv3d->ofs, fly->v3d->camera->obmat[3]);
+ VecMulf(fly->rv3d->ofs, -1.0f); /*flip the vector*/
+
+ fly->rv3d->dist=0.0;
+ fly->rv3d->viewbut=0;
+
+ /* used for recording */
+//XXX2.5 if(v3d->camera->ipoflag & OB_ACTION_OB)
+//XXX2.5 actname= "Object";
+
+ } else {
+ /* perspective or ortho */
+ if (fly->rv3d->persp==V3D_ORTHO)
+ fly->rv3d->persp= V3D_PERSP; /*if ortho projection, make perspective */
+ QUATCOPY(fly->rot_backup, fly->rv3d->viewquat);
+ VECCOPY(fly->ofs_backup, fly->rv3d->ofs);
+ fly->rv3d->dist= 0.0;
+
+ upvec[2]= fly->dist_backup; /*x and y are 0*/
+ Mat3MulVecfl(mat, upvec);
+ VecSubf(fly->rv3d->ofs, fly->rv3d->ofs, upvec);
+ /*Done with correcting for the dist*/
+ }
+
+ return 1;
+}
+
+static int flyEnd(bContext *C, FlyInfo *fly)
+{
+ RegionView3D *rv3d= fly->rv3d;
+ View3D *v3d = fly->v3d;
+
+ float upvec[3];
+
+ if(fly->state == FLY_RUNNING)
+ return OPERATOR_RUNNING_MODAL;
+
+ WM_event_remove_window_timer(CTX_wm_window(C), fly->timer);
+
+ rv3d->dist= fly->dist_backup;
+
+ if (fly->state == FLY_CANCEL) {
+ /* Revert to original view? */
+ if (fly->persp_backup==V3D_CAMOB) { /* a camera view */
+ rv3d->viewbut=1;
+ VECCOPY(v3d->camera->loc, fly->ofs_backup);
+ VECCOPY(v3d->camera->rot, fly->rot_backup);
+ DAG_id_flush_update(&v3d->camera->id, OB_RECALC_OB);
+ } else {
+ /* Non Camera we need to reset the view back to the original location bacause the user canceled*/
+ QUATCOPY(rv3d->viewquat, fly->rot_backup);
+ VECCOPY(rv3d->ofs, fly->ofs_backup);
+ rv3d->persp= fly->persp_backup;
+ }
+ }
+ else if (fly->persp_backup==V3D_CAMOB) { /* camera */
+ float mat3[3][3];
+ Mat3CpyMat4(mat3, v3d->camera->obmat);
+ Mat3ToCompatibleEul(mat3, v3d->camera->rot, fly->rot_backup);
+
+ DAG_id_flush_update(&v3d->camera->id, OB_RECALC_OB);
+#if 0 //XXX2.5
+ if (IS_AUTOKEY_MODE(NORMAL)) {
+ allqueue(REDRAWIPO, 0);
+ allspace(REMAKEIPO, 0);
+ allqueue(REDRAWNLA, 0);
+ allqueue(REDRAWTIME, 0);
+ }
+#endif
+ }
+ else { /* not camera */
+ /* Apply the fly mode view */
+ /*restore the dist*/
+ float mat[3][3];
+ upvec[0]= upvec[1]= 0;
+ upvec[2]= fly->dist_backup; /*x and y are 0*/
+ Mat3CpyMat4(mat, rv3d->viewinv);
+ Mat3MulVecfl(mat, upvec);
+ VecAddf(rv3d->ofs, rv3d->ofs, upvec);
+ /*Done with correcting for the dist */
+ }
+
+ rv3d->rflag &= ~RV3D_FLYMODE;
+//XXX2.5 BIF_view3d_previewrender_signal(fly->sa, PR_DBASE|PR_DISPRECT); /* not working at the moment not sure why */
+
+
+ if(fly->state == FLY_CONFIRM) {
+ MEM_freeN(fly);
+ return OPERATOR_FINISHED;
+ }
+
+ MEM_freeN(fly);
+ return OPERATOR_CANCELLED;
+}
+
+void flyEvent(FlyInfo *fly, wmEvent *event)
+{
+ if (event->type == TIMER) {
+ fly->redraw = 1;
+ }
+ else if (event->type == MOUSEMOVE) {
+ fly->mval[0] = event->x - fly->ar->winrct.xmin;
+ fly->mval[1] = event->y - fly->ar->winrct.ymin;
+ } /* handle modal keymap first */
+ else if (event->type == EVT_MODAL_MAP) {
+ switch (event->val) {
+ case FLY_MODAL_CANCEL:
+ fly->state = FLY_CANCEL;
+ break;
+ case FLY_MODAL_CONFIRM:
+ fly->state = FLY_CONFIRM;
+ break;
+
+ case FLY_MODAL_ACCELERATE:
+ {
+ double time_currwheel;
+ float time_wheel;
+
+ time_currwheel= PIL_check_seconds_timer();
+ time_wheel = (float)(time_currwheel - fly->time_lastwheel);
+ fly->time_lastwheel = time_currwheel;
+ /*printf("Wheel %f\n", time_wheel);*/
+ /*Mouse wheel delays range from 0.5==slow to 0.01==fast*/
+ time_wheel = 1+ (10 - (20*MIN2(time_wheel, 0.5))); /* 0-0.5 -> 0-5.0 */
+
+ if (fly->speed<0.0f) fly->speed= 0.0f;
+ else {
+ if (event->shift)
+ fly->speed+= fly->grid*time_wheel*0.1;
+ else
+ fly->speed+= fly->grid*time_wheel;
+ }
+ break;
+ }
+ case FLY_MODAL_DECELERATE:
+ {
+ double time_currwheel;
+ float time_wheel;
+
+ time_currwheel= PIL_check_seconds_timer();
+ time_wheel = (float)(time_currwheel - fly->time_lastwheel);
+ fly->time_lastwheel = time_currwheel;
+ time_wheel = 1+ (10 - (20*MIN2(time_wheel, 0.5))); /* 0-0.5 -> 0-5.0 */
+
+ if (fly->speed>0) fly->speed=0;
+ else {
+ if (event->shift)
+ fly->speed-= fly->grid*time_wheel*0.1;
+ else
+ fly->speed-= fly->grid*time_wheel;
+ }
+ break;
+ }
+ case FLY_MODAL_PAN_ENABLE:
+ fly->pan_view= TRUE;
+ break;
+ case FLY_MODAL_PAN_DISABLE:
+//XXX2.5 warp_pointer(cent_orig[0], cent_orig[1]);
+ fly->pan_view= FALSE;
+ break;
+
+ /* impliment WASD keys */
+ case FLY_MODAL_DIR_FORWARD:
+ if (fly->speed < 0.0f) fly->speed= -fly->speed; /* flip speed rather then stopping, game like motion */
+ else fly->speed += fly->grid; /* increse like mousewheel if were alredy moving in that difection*/
+ fly->axis= 2;
+ break;
+ case FLY_MODAL_DIR_BACKWARD:
+ if (fly->speed>0) fly->speed= -fly->speed;
+ else fly->speed -= fly->grid;
+ fly->axis= 2;
+ break;
+ case FLY_MODAL_DIR_LEFT:
+ if (fly->speed < 0.0f) fly->speed= -fly->speed;
+ fly->axis= 0;
+ break;
+ case FLY_MODAL_DIR_RIGHT:
+ if (fly->speed > 0.0f) fly->speed= -fly->speed;
+ fly->axis= 0;
+ break;
+
+ case FLY_MODAL_DIR_UP:
+ if (fly->speed < 0.0f) fly->speed= -fly->speed;
+ fly->axis= 1;
+ break;
+
+ case FLY_MODAL_DIR_DOWN:
+ if (fly->speed > 0.0f) fly->speed= -fly->speed;
+ fly->axis= 1;
+ break;
+
+ case FLY_MODAL_AXIS_LOCK_X:
+ if (fly->xlock) fly->xlock=0;
+ else {
+ fly->xlock = 2;
+ fly->xlock_momentum = 0.0;
+ }
+ break;
+ case FLY_MODAL_AXIS_LOCK_Z:
+ if (fly->zlock) fly->zlock=0;
+ else {
+ fly->zlock = 2;
+ fly->zlock_momentum = 0.0;
+ }
+ break;
+
+ case FLY_MODAL_PRECISION_ENABLE:
+ fly->use_precision= TRUE;
+ break;
+ case FLY_MODAL_PRECISION_DISABLE:
+ fly->use_precision= FALSE;
+ break;
+
+ }
+ }
+}
+
+//int fly_exec(bContext *C, wmOperator *op)
+int flyApply(FlyInfo *fly)
+{
+ /*
+ fly mode - Shift+F
+ a fly loop where the user can move move the view as if they are flying
+ */
+ RegionView3D *rv3d= fly->rv3d;
+ View3D *v3d = fly->v3d;
+ ARegion *ar = fly->ar;
+ Scene *scene= fly->scene;
+
+ float mat[3][3], /* 3x3 copy of the view matrix so we can move allong the view axis */
+ dvec[3]={0,0,0}, /* this is the direction thast added to the view offset per redraw */
+
+ /* Camera Uprighting variables */
+ upvec[3]={0,0,0}, /* stores the view's up vector */
+
+ moffset[2], /* mouse offset from the views center */
+ tmp_quat[4]; /* used for rotating the view */
+
+ int cent_orig[2], /* view center */
+//XXX- can avoid using // cent[2], /* view center modified */
+ xmargin, ymargin; /* x and y margin are define the safe area where the mouses movement wont rotate the view */
+ unsigned char
+ apply_rotation= 1; /* if the user presses shift they can look about without movinf the direction there looking*/
+
+ /* for recording */
+#if 0 //XXX2.5 todo, get animation recording working again.
+ int playing_anim = 0; //XXX has_screenhandler(G.curscreen, SCREEN_HANDLER_ANIM);
+ int cfra = -1; /*so the first frame always has a key added */
+ char *actname="";
+#endif
+ /* the dist defines a vector that is infront of the offset
+ to rotate the view about.
+ this is no good for fly mode because we
+ want to rotate about the viewers center.
+ but to correct the dist removal we must
+ alter offset so the view doesn't jump. */
+
+ xmargin= ar->winx/20.0f;
+ ymargin= ar->winy/20.0f;
+
+ cent_orig[0]= ar->winrct.xmin + ar->winx/2;
+ cent_orig[1]= ar->winrct.ymin + ar->winy/2;
+
+ {
+
+ /* mouse offset from the center */
+ moffset[0]= fly->mval[0]- ar->winx/2;
+ moffset[1]= fly->mval[1]- ar->winy/2;
+
+ /* enforce a view margin */
+ if (moffset[0]>xmargin) moffset[0]-=xmargin;
+ else if (moffset[0] < -xmargin) moffset[0]+=xmargin;
+ else moffset[0]=0;
+
+ if (moffset[1]>ymargin) moffset[1]-=ymargin;
+ else if (moffset[1] < -ymargin) moffset[1]+=ymargin;
+ else moffset[1]=0;
+
+
+ /* scale the mouse movement by this value - scales mouse movement to the view size
+ * moffset[0]/(ar->winx-xmargin*2) - window size minus margin (same for y)
+ *
+ * the mouse moves isnt linear */
+
+ if(moffset[0]) {
+ moffset[0] /= ar->winx - (xmargin*2);
+ moffset[0] *= fabs(moffset[0]);
+ }
+
+ if(moffset[1]) {
+ moffset[1] /= ar->winy - (ymargin*2);
+ moffset[1] *= fabs(moffset[1]);
+ }
+
+ /* Should we redraw? */
+ if(fly->speed != 0.0f || moffset[0] || moffset[1] || fly->zlock || fly->xlock || dvec[0] || dvec[1] || dvec[2] ) {
+ float dvec_tmp[3];
+ double time_current, time_redraw; /*time how fast it takes for us to redraw, this is so simple scenes dont fly too fast */
+ float time_redraw_clamped;
+
+ time_current= PIL_check_seconds_timer();
+ time_redraw= (float)(time_current - fly->time_lastdraw);
+ time_redraw_clamped= MIN2(0.05f, time_redraw); /* clamt the redraw time to avoid jitter in roll correction */
+ fly->time_lastdraw= time_current;
+ /*fprintf(stderr, "%f\n", time_redraw);*/ /* 0.002 is a small redraw 0.02 is larger */
+
+ /* Scale the time to use shift to scale the speed down- just like
+ shift slows many other areas of blender down */
+ if (fly->use_precision)
+ fly->speed= fly->speed * (1.0f-time_redraw_clamped);
+
+ Mat3CpyMat4(mat, rv3d->viewinv);
+
+ if (fly->pan_view==TRUE) {
+ /* pan only */
+ dvec_tmp[0]= -moffset[0];
+ dvec_tmp[1]= -moffset[1];
+ dvec_tmp[2]= 0;
+
+ if (fly->use_precision) {
+ dvec_tmp[0] *= 0.1;
+ dvec_tmp[1] *= 0.1;
+ }
+
+ Mat3MulVecfl(mat, dvec_tmp);
+ VecMulf(dvec_tmp, time_redraw*200.0 * fly->grid);
+
+ } else {
+ float roll; /* similar to the angle between the camera's up and the Z-up, but its very rough so just roll*/
+
+ /* rotate about the X axis- look up/down */
+ if (moffset[1]) {
+ upvec[0]=1;
+ upvec[1]=0;
+ upvec[2]=0;
+ Mat3MulVecfl(mat, upvec);
+ VecRotToQuat( upvec, (float)moffset[1]*-time_redraw*20, tmp_quat); /* Rotate about the relative up vec */
+ QuatMul(rv3d->viewquat, rv3d->viewquat, tmp_quat);
+
+ if (fly->xlock) fly->xlock = 2; /*check for rotation*/
+ if (fly->zlock) fly->zlock = 2;
+ fly->xlock_momentum= 0.0f;
+ }
+
+ /* rotate about the Y axis- look left/right */
+ if (moffset[0]) {
+
+ /* if we're upside down invert the moffset */
+ upvec[0]=0;
+ upvec[1]=1;
+ upvec[2]=0;
+ Mat3MulVecfl(mat, upvec);
+
+ if(upvec[2] < 0.0f)
+ moffset[0]= -moffset[0];
+
+ /* make the lock vectors */
+ if (fly->zlock) {
+ upvec[0]=0;
+ upvec[1]=0;
+ upvec[2]=1;
+ } else {
+ upvec[0]=0;
+ upvec[1]=1;
+ upvec[2]=0;
+ Mat3MulVecfl(mat, upvec);
+ }
+
+ VecRotToQuat( upvec, (float)moffset[0]*time_redraw*20, tmp_quat); /* Rotate about the relative up vec */
+ QuatMul(rv3d->viewquat, rv3d->viewquat, tmp_quat);
+
+ if (fly->xlock) fly->xlock = 2;/*check for rotation*/
+ if (fly->zlock) fly->zlock = 2;
+ }
+
+ if (fly->zlock==2) {
+ upvec[0]=1;
+ upvec[1]=0;
+ upvec[2]=0;
+ Mat3MulVecfl(mat, upvec);
+
+ /*make sure we have some z rolling*/
+ if (fabs(upvec[2]) > 0.00001f) {
+ roll= upvec[2]*5;
+ upvec[0]=0; /*rotate the view about this axis*/
+ upvec[1]=0;
+ upvec[2]=1;
+
+ Mat3MulVecfl(mat, upvec);
+ VecRotToQuat( upvec, roll*time_redraw_clamped*fly->zlock_momentum*0.1, tmp_quat); /* Rotate about the relative up vec */
+ QuatMul(rv3d->viewquat, rv3d->viewquat, tmp_quat);
+
+ fly->zlock_momentum += 0.05f;
+ } else {
+ fly->zlock=1; /* dont check until the view rotates again */
+ fly->zlock_momentum= 0.0f;
+ }
+ }
+
+ if (fly->xlock==2 && moffset[1]==0) { /*only apply xcorrect when mouse isnt applying x rot*/
+ upvec[0]=0;
+ upvec[1]=0;
+ upvec[2]=1;
+ Mat3MulVecfl(mat, upvec);
+ /*make sure we have some z rolling*/
+ if (fabs(upvec[2]) > 0.00001) {
+ roll= upvec[2] * -5;
+
+ upvec[0]= 1.0f; /*rotate the view about this axis*/
+ upvec[1]= 0.0f;
+ upvec[2]= 0.0f;
+
+ Mat3MulVecfl(mat, upvec);
+
+ VecRotToQuat( upvec, roll*time_redraw_clamped*fly->xlock_momentum*0.1f, tmp_quat); /* Rotate about the relative up vec */
+ QuatMul(rv3d->viewquat, rv3d->viewquat, tmp_quat);
+
+ fly->xlock_momentum += 0.05f;
+ } else {
+ fly->xlock=1; /* see above */
+ fly->xlock_momentum= 0.0f;
+ }
+ }
+
+
+ if (apply_rotation) {
+ /* Normal operation */
+ /* define dvec, view direction vector */
+ dvec_tmp[0]= dvec_tmp[1]= dvec_tmp[2]= 0.0f;
+ /* move along the current axis */
+ dvec_tmp[fly->axis]= 1.0f;
+
+ Mat3MulVecfl(mat, dvec_tmp);
+
+ VecMulf(dvec_tmp, fly->speed * time_redraw * 0.25f);
+ }
+ }
+
+ /* impose a directional lag */
+ VecLerpf(dvec, dvec_tmp, fly->dvec_prev, (1.0f/(1.0f+(time_redraw*5.0f))));
+
+ if (rv3d->persp==V3D_CAMOB) {
+ if (v3d->camera->protectflag & OB_LOCK_LOCX)
+ dvec[0] = 0.0;
+ if (v3d->camera->protectflag & OB_LOCK_LOCY)
+ dvec[1] = 0.0;
+ if (v3d->camera->protectflag & OB_LOCK_LOCZ)
+ dvec[2] = 0.0;
+ }
+
+ VecAddf(rv3d->ofs, rv3d->ofs, dvec);
+#if 0 //XXX2.5
+ if (fly->zlock && fly->xlock)
+ headerprint("FlyKeys Speed:(+/- | Wheel), Upright Axis:X on/Z on, Slow:Shift, Direction:WASDRF, Ok:LMB, Pan:MMB, Cancel:RMB");
+ else if (fly->zlock)
+ headerprint("FlyKeys Speed:(+/- | Wheel), Upright Axis:X off/Z on, Slow:Shift, Direction:WASDRF, Ok:LMB, Pan:MMB, Cancel:RMB");
+ else if (fly->xlock)
+ headerprint("FlyKeys Speed:(+/- | Wheel), Upright Axis:X on/Z off, Slow:Shift, Direction:WASDRF, Ok:LMB, Pan:MMB, Cancel:RMB");
+ else
+ headerprint("FlyKeys Speed:(+/- | Wheel), Upright Axis:X off/Z off, Slow:Shift, Direction:WASDRF, Ok:LMB, Pan:MMB, Cancel:RMB");
+#endif
+
+//XXX2.5 do_screenhandlers(G.curscreen); /* advance the next frame */
+
+ /* we are in camera view so apply the view ofs and quat to the view matrix and set the camera to the view */
+ if (rv3d->persp==V3D_CAMOB) {
+ rv3d->persp= V3D_PERSP; /*set this so setviewmatrixview3d uses the ofs and quat instead of the camera */
+ setviewmatrixview3d(scene, v3d, rv3d);
+
+ setcameratoview3d(v3d, rv3d, v3d->camera);
+
+ { //XXX - some reason setcameratoview3d doesnt copy, shouldnt not be needed!
+ VECCOPY(v3d->camera->loc, rv3d->ofs);
+ VecNegf(v3d->camera->loc);
+ }
+
+ rv3d->persp= V3D_CAMOB;
+#if 0 //XXX2.5
+ /* record the motion */
+ if (IS_AUTOKEY_MODE(NORMAL) && (!playing_anim || cfra != G.scene->r.cfra)) {
+ cfra = G.scene->r.cfra;
+
+ if (fly->xlock || fly->zlock || moffset[0] || moffset[1]) {
+ insertkey(&v3d->camera->id, ID_OB, actname, NULL, OB_ROT_X, 0);
+ insertkey(&v3d->camera->id, ID_OB, actname, NULL, OB_ROT_Y, 0);
+ insertkey(&v3d->camera->id, ID_OB, actname, NULL, OB_ROT_Z, 0);
+ }
+ if (fly->speed) {
+ insertkey(&v3d->camera->id, ID_OB, actname, NULL, OB_LOC_X, 0);
+ insertkey(&v3d->camera->id, ID_OB, actname, NULL, OB_LOC_Y, 0);
+ insertkey(&v3d->camera->id, ID_OB, actname, NULL, OB_LOC_Z, 0);
+ }
+ }
+#endif
+ }
+//XXX2.5 scrarea_do_windraw(curarea);
+//XXX2.5 screen_swapbuffers();
+ } else
+ /*were not redrawing but we need to update the time else the view will jump */
+ fly->time_lastdraw= PIL_check_seconds_timer();
+ /* end drawing */
+ VECCOPY(fly->dvec_prev, dvec);
+ }
+
+/* moved to flyEnd() */
+
+ return OPERATOR_FINISHED;
+}
+
+
+
+static int fly_invoke(bContext *C, wmOperator *op, wmEvent *event)
+{
+ RegionView3D *rv3d= CTX_wm_region_view3d(C);
+ FlyInfo *fly;
+
+ if(rv3d->viewlock)
+ return OPERATOR_CANCELLED;
+
+ fly= MEM_callocN(sizeof(FlyInfo), "FlyOperation");
+
+ op->customdata= fly;
+
+ if(initFlyInfo(C, fly, op, event)==FALSE) {
+ MEM_freeN(op->customdata);
+ return OPERATOR_CANCELLED;
+ }
+
+ flyEvent(fly, event);
+
+ WM_event_add_modal_handler(C, op);
+
+ return OPERATOR_RUNNING_MODAL;
+}
+
+static int fly_cancel(bContext *C, wmOperator *op)
+{
+ FlyInfo *fly = op->customdata;
+
+ fly->state = FLY_CANCEL;
+ flyEnd(C, fly);
+ op->customdata= NULL;
+
+ return OPERATOR_CANCELLED;
+}
+
+static int fly_modal(bContext *C, wmOperator *op, wmEvent *event)
+{
+ int exit_code;
+
+ FlyInfo *fly = op->customdata;
+
+ fly->redraw= 0;
+
+ flyEvent(fly, event);
+
+ if(event->type==TIMER)
+ flyApply(fly);
+
+ if(fly->redraw) {;
+ ED_region_tag_redraw(CTX_wm_region(C));
+ }
+
+ exit_code = flyEnd(C, fly);
+
+ if(exit_code!=OPERATOR_RUNNING_MODAL)
+ ED_region_tag_redraw(CTX_wm_region(C));
+
+ return exit_code;
+}
+
+void VIEW3D_OT_fly(wmOperatorType *ot)
+{
+
+ /* identifiers */
+ ot->name= "Fly Navigation";
+ ot->description= "Interactively fly around the scene.";
+ ot->idname= "VIEW3D_OT_fly";
+
+ /* api callbacks */
+ ot->invoke= fly_invoke;
+ ot->cancel= fly_cancel;
+ ot->modal= fly_modal;
+ ot->poll= ED_operator_view3d_active;
+
+ /* flags */
+ ot->flag= OPTYPE_BLOCKING;
+
+}
+
/* ************************************** */
void view3d_align_axis_to_vector(View3D *v3d, RegionView3D *rv3d, int axisidx, float vec[3])