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Shofixti glory device processing comments

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git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@3542 8092fc87-c524-0410-9efc-e669fe64eaf9
This commit is contained in:
avolkov
2010-05-23 19:22:52 +00:00
parent d6354ba4f6
commit 9de766e368
1 changed files with 22 additions and 0 deletions
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sc2/src/uqm/ships/shofixti/shofixti.c
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@@ -147,10 +147,14 @@ destruct_preprocess (ELEMENT *ElementPtr)
#define DESTRUCT_SWITCH ((NUM_EXPLOSION_FRAMES * 3) - 3)
PRIMITIVE *lpPrim;
// ship_death() set the ship element's life_span to
// (NUM_EXPLOSION_FRAMES * 3)
lpPrim = &(GLOBAL (DisplayArray))[ElementPtr->PrimIndex];
ElementPtr->state_flags |= CHANGING;
if (ElementPtr->life_span > DESTRUCT_SWITCH)
{
// First, stamp-fill the ship's own element with changing colors
// for 3 frames. No explosion element yet.
SetPrimType (lpPrim, STAMPFILL_PRIM);
if (ElementPtr->life_span == DESTRUCT_SWITCH + 2)
SetPrimColor (lpPrim,
@@ -161,6 +165,8 @@ destruct_preprocess (ELEMENT *ElementPtr)
}
else if (ElementPtr->life_span < DESTRUCT_SWITCH)
{
// Stamp-fill the explosion element with cycling colors for the
// remainder of the glory explosion frames.
Color color = GetPrimColor (lpPrim);
ElementPtr->next.image.frame =
@@ -187,8 +193,14 @@ destruct_preprocess (ELEMENT *ElementPtr)
HELEMENT hDestruct;
SetPrimType (lpPrim, NO_PRIM);
// The ship's own element will not be drawn anymore but will remain
// alive all through the glory explosion.
ElementPtr->preprocess_func = NULL;
// Spawn a separate glory explosion element.
// XXX: Why? Why not keep using the ship's element?
// Is it because of conflicting state_flags, hit_points or
// mass_points?
hDestruct = AllocElement ();
if (hDestruct)
{
@@ -228,6 +240,7 @@ destruct_preprocess (ELEMENT *ElementPtr)
#define ORZ_MARINE(ptr) (ptr->preprocess_func == intruder_preprocess && \
ptr->collision_func == marine_collision)
// XXX: This function should be split into two
static void
self_destruct (ELEMENT *ElementPtr)
{
@@ -238,6 +251,10 @@ self_destruct (ELEMENT *ElementPtr)
{
HELEMENT hDestruct;
// Spawn a temporary element, which dies in this same frame, in order
// to defer the effects of the glory explosion.
// It will be the last element (or one of the last) for which the
// death_func will be called from PostProcessQueue() in this frame.
hDestruct = AllocElement ();
if (hDestruct)
{
@@ -259,12 +276,17 @@ self_destruct (ELEMENT *ElementPtr)
}
ElementPtr->state_flags |= NONSOLID;
// The ship is now dead. It's death_func, i.e. ship_death(), will be
// called the next frame.
ElementPtr->life_span = 0;
ElementPtr->preprocess_func = destruct_preprocess;
}
else
{
// This is called during PostProcessQueue(), close to or at the end,
// for the temporary destruct element to apply the effects of glory
// explosion. The effects are not seen until the next frame.
HELEMENT hElement, hNextElement;
for (hElement = GetHeadElement ();