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- PlayerHorizon::applyinput(): Provide commentary on how numeric literals used in aim/look up/down and return to centre math came to be and place into an enum for clarity.

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This commit is contained in:
Mitch Richters 2021-11-06 09:18:11 +11:00
parent c424f7c8dd
commit 8e8dfa9f9a
1 changed files with 27 additions and 3 deletions
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30
source/core/gameinput.cpp
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@ -253,6 +253,30 @@ void processMovement(InputPacket* const currInput, InputPacket* const inputBuffe
//
//---------------------------------------------------------------------------
/*
// Aim speed.
Duke: 6 * 30 = 180;
SW: (16 / 2) * 40 = 320;
Average: 250.;
// Look speed.
Duke: 12 * 30 = 360;
SW: 16 * 40 = 640;
Average: 500.;
// Return to centre speed.
Duke: (1 / 3) * 30 = 10;
SW: (1 / 4) * 40 = 10;
Average: 10.;
*/
enum
{
AIMSPEED = 250,
LOOKSPEED = 500,
CNTRSPEED = 10,
};
void PlayerHorizon::applyinput(float const horz, ESyncBits* actions, double const scaleAdjust)
{
// Process only if movewment isn't locked.
@ -271,7 +295,7 @@ void PlayerHorizon::applyinput(float const horz, ESyncBits* actions, double cons
if (*actions & (SB_AIM_UP|SB_AIM_DOWN))
{
*actions &= ~SB_CENTERVIEW;
double const amount = HorizToPitch(250. / GameTicRate);
double const amount = HorizToPitch(double(AIMSPEED) / GameTicRate);
if (*actions & SB_AIM_DOWN)
pitch -= scaleAdjust * amount;
@ -284,7 +308,7 @@ void PlayerHorizon::applyinput(float const horz, ESyncBits* actions, double cons
if (*actions & (SB_LOOK_UP|SB_LOOK_DOWN))
{
*actions |= SB_CENTERVIEW;
double const amount = HorizToPitch(500. / GameTicRate);
double const amount = HorizToPitch(double(LOOKSPEED) / GameTicRate);
if (*actions & SB_LOOK_DOWN)
pitch -= scaleAdjust * amount;
@ -300,7 +324,7 @@ void PlayerHorizon::applyinput(float const horz, ESyncBits* actions, double cons
if ((*actions & SB_CENTERVIEW) && !(*actions & (SB_LOOK_UP|SB_LOOK_DOWN)) && horiz.asq16())
{
// move horiz back to 0
horiz -= buildfhoriz(scaleAdjust * horiz.asbuildf() * (10. / GameTicRate));
horiz -= buildfhoriz(scaleAdjust * horiz.asbuildf() * (double(CNTRSPEED) / GameTicRate));
if (abs(horiz.asq16()) < (FRACUNIT >> 2))
{
// not looking anymore because horiz is back at 0